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NMEA 2000 Connector System

Amphenol LTW NMEA 2000 Connector System is specifically designed to meet NMEA 2000 protocols and standards. This IP68-rated family of multi-port, standard, and metric circular connectors, sensors and actuator cables, and elbow joints. These products are ideal for connecting marine electronic equipment and display units within ships and boats. The NMEA 2000 lineup features high signal reliability, allowing multiple electronic devices to share data over one common channel. Starter kits are available in basic and professional packages to help build NMEA 2000 networks with varying levels of complexity. Amphenol LTW NMEA 2000 Connector System is suitable for a wide range of applications, such as fish finders, GPS receivers, autopilots, sonars, and audio systems.

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Part #

Circular Metric Connectors Circular Metric Connector, Waterproof Cap With Chain, Metal, Male Connector, Screw Thread

CAP-WBDMSPB2
Amphenol LTW
1: $6.78
201In Stock
230Expected 7/4/2026

Mfr. Part No.
CAP-WBDMSPB2

Mouser Part No
523-CAP-WBDMSPB2

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, Waterproof Cap With Chain, Metal, Male Connector, Screw Thread

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Datasheet

201In Stock

230Expected 7/4/2026

$6.78

$6.17

$5.85

$5.43

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Waterproof Cap, Metal, Screw Thread

CAP-WMNFSMA1
Amphenol LTW
1: $9.56
1In Stock

Mfr. Part No.
CAP-WMNFSMA1

Mouser Part No
523-CAP-WMNFSMA1

Amphenol LTW

Standard Circular Connector NMEA 2000, Waterproof Cap, Metal, Screw Thread

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Datasheet

1In Stock

$9.56

$8.56

$7.99

$7.63

View

Min.: 1
Mult.: 1

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 1000mm, NMEA 2000 Certificate, IP68

E-555500-FFFF00-SA01
Amphenol LTW
1: $118.57
6In Stock

Mfr. Part No.
E-555500-FFFF00-SA01

Mouser Part No
523-E-555500FFFFSA01

Amphenol LTW

Circular Metric Connectors NMEA 2000, Distribution Box, Metal, 4A, 05 pins, Screw Thread, Length 1000mm, NMEA 2000 Certificate, IP68

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Datasheet

6In Stock

$118.57

$100.40

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, Multi-Port T Adaptor

E-555555-FFFFFM-S001
Amphenol LTW
1: $151.19
3In Stock

Mfr. Part No.
E-555555-FFFFFM-S001

Mouser Part No
523-E-555555FFFMS001

Amphenol LTW

Standard Circular Connector NMEA 2000, Accessory, 4A, 05 Pins, Multi-Port T Adaptor

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Datasheet

3In Stock

$151.19

$131.30

$121.51

$117.22

$113.56

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Multi-Port T Adaptor, Metal, 4A, 05 pins, Screw Thread, NMEA 2000 Certificate, IP68

H-555500-FFFM00-S001
Amphenol LTW
1: $55.56
2In Stock
10Expected 1/4/2026

Mfr. Part No.
H-555500-FFFM00-S001

Mouser Part No
523-H-555500FFFMS001

Amphenol LTW

Standard Circular Connector NMEA 2000, Multi-Port T Adaptor, Metal, 4A, 05 pins, Screw Thread, NMEA 2000 Certificate, IP68

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Datasheet

2In Stock

10Expected 1/4/2026

$55.56

$48.19

$44.59

$42.70

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68

HMC-000505-0MF-CSA01
Amphenol LTW
1: $26.20
61In Stock
50On Order

Mfr. Part No.
HMC-000505-0MF-CSA01

Mouser Part No
523-HMC-05050MFCSA01

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68

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Datasheet

61In Stock

50On Order

$26.20

$22.70

$20.43

$19.96

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 2000mm, IP68

HMC-000505-0MF-CSA02
Amphenol LTW
1: $34.97
33In Stock
30Expected 17/2/2026

Mfr. Part No.
HMC-000505-0MF-CSA02

Mouser Part No
523-HMC-05050MFCSA02

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 2000mm, IP68

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Datasheet

33In Stock

30Expected 17/2/2026

$34.97

$29.54

$27.55

$26.62

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 5000mm, IP68

HMC-000505-0MF-CSA05
Amphenol LTW
1: $50.15
3In Stock
10Expected 1/4/2026

Mfr. Part No.
HMC-000505-0MF-CSA05

Mouser Part No
523-HMC-05050MFCSA05

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 5000mm, IP68

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Datasheet

3In Stock

10Expected 1/4/2026

$50.15

$43.51

$41.20

$37.64

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 10000mm, IP68

HMC-000505-0MF-CSA10
Amphenol LTW
1: $76.84
10In Stock

Mfr. Part No.
HMC-000505-0MF-CSA10

Mouser Part No
523-HMC-05050MFCSA10

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 10000mm, IP68

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Datasheet

10In Stock

$76.84

$65.90

$61.77

$59.59

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

HMC-05BFFB-SL7001
Amphenol LTW
1: $26.37
15In Stock

Mfr. Part No.
HMC-05BFFB-SL7001

Mouser Part No
523-HMC-05BFFBSL7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

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Datasheet

15In Stock

$26.37

$23.00

$21.45

$18.22

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

HMC-05BFFB-SR7001
Amphenol LTW
1: $26.19
6In Stock

Mfr. Part No.
HMC-05BFFB-SR7001

Mouser Part No
523-HMC-05BFFBSR7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

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Datasheet

6In Stock

$26.19

$21.55

$19.22

$17.61

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68

HMC-05BFFM-SL8A01
Amphenol LTW
1: $16.90
22In Stock

Mfr. Part No.
HMC-05BFFM-SL8A01

Mouser Part No
523-HMC-05BFFMSL8A01

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68

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Datasheet

22In Stock

$16.90

$15.25

$14.55

$11.82

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

HMC-05BFFT-SL8001
Amphenol LTW
1: $11.72
2In Stock
70On Order

Mfr. Part No.
HMC-05BFFT-SL8001

Mouser Part No
523-HMC-05BFFTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

Learn More

Datasheet

2In Stock

70On Order

$11.72

$10.41

$9.54

$9.30

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

HMC-05BMMB-SL7001
Amphenol LTW
1: $27.23
16In Stock

Mfr. Part No.
HMC-05BMMB-SL7001

Mouser Part No
523-HMC-05BMMBSL7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

Learn More

Datasheet

16In Stock

$27.23

$23.62

$21.13

$17.94

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

HMC-05BMMB-SR7001
Amphenol LTW
1: $26.94
8In Stock

Mfr. Part No.
HMC-05BMMB-SR7001

Mouser Part No
523-HMC-05BMMBSR7001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw-in, Field Installable, F4.0 - F7.0mm, IP67

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Datasheet

8In Stock

$26.94

$21.04

$21.03

$17.78

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, PCB 180, Receptacle, IP68

HMC-05PMMP-SF8001
Amphenol LTW
1: $21.74
8In Stock

Mfr. Part No.
HMC-05PMMP-SF8001

Mouser Part No
523-HMC-05PMMPSF8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, PCB 180, Receptacle, IP68

Learn More

Datasheet

8In Stock

$21.74

$19.36

$19.25

$17.42

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, Solder, Receptacle, IP68

HMC-05PMMS-SF8001
Amphenol LTW
1: $12.50
12In Stock

Mfr. Part No.
HMC-05PMMS-SF8001

Mouser Part No
523-HMC-05PMMSSF8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, Screw Thread, Solder, Receptacle, IP68

Learn More

Datasheet

12In Stock

$12.50

$10.62

$9.95

$9.48

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, I Adaptor, Metal, 4A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, IP68

HMC-050500-MF0-IS001
Amphenol LTW
1: $21.98
20In Stock

Mfr. Part No.
HMC-050500-MF0-IS001

Mouser Part No
523-HMC0005050MFIS00

Amphenol LTW

Standard Circular Connector NMEA 2000, I Adaptor, Metal, 4A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, IP68

Learn More

Datasheet

20In Stock

$21.98

$18.67

$18.56

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, T Adaptor, Metal, 4A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, (End 3) Female Female, IP68

HMC-050505-FFM-TS001
Amphenol LTW
1: $25.53
84In Stock

Mfr. Part No.
HMC-050505-FFM-TS001

Mouser Part No
523-HMC050505FMFTS00

Amphenol LTW

Standard Circular Connector NMEA 2000, T Adaptor, Metal, 4A, 05 pins, Screw Thread, (End 1) Female Female, (End 2) Male Male, (End 3) Female Female, IP68

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Datasheet

84In Stock

$25.53

$21.70

$20.79

$20.49

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 3000mm, IP68

HMC-05BFFM-SL8A03
Amphenol LTW
1: $27.61
9In Stock

Mfr. Part No.
HMC-05BFFM-SL8A03

Mouser Part No
523-HMC05BFFMSL8A03

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 3000mm, IP68

Learn More

Datasheet

9In Stock

$27.61

$24.69

$24.28

$21.17

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 3000mm, IP68

HMC-000505-0MF-CSA03
Amphenol LTW
1: $40.24
3In Stock

Mfr. Part No.
HMC-000505-0MF-CSA03

Mouser Part No
523-HMC5050MFCSA03

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 3000mm, IP68

Learn More

Datasheet

3In Stock

$40.24

$33.37

$32.83

$28.43

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 4000mm, IP68

HMC-000505-0MF-CSA04
Amphenol LTW
1: $44.58
40In Stock

Mfr. Part No.
HMC-000505-0MF-CSA04

Mouser Part No
523-HMC5050MFCSA04

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 4000mm, IP68

Learn More

Datasheet

40In Stock

$44.58

$39.68

$32.14

$30.82

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Terminator, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

HMCP-05BFFT-SL8001
Amphenol LTW
1: $8.03
51In Stock

Mfr. Part No.
HMCP-05BFFT-SL8001

Mouser Part No
523-HMCP05BFFTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

Learn More

Datasheet

51In Stock

$8.03

$7.24

$7.12

$6.89

View

Min.: 1
Mult.: 1

Standard Circular Connector NMEA 2000, Terminator, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

HMCP-05BMMT-SL8001
Amphenol LTW
1: $9.84
47In Stock
60On Order

Mfr. Part No.
HMCP-05BMMT-SL8001

Mouser Part No
523-HMCP05BMMTSL8001

Amphenol LTW

Standard Circular Connector NMEA 2000, Terminator, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, NMEA 2000 Certificate, IP68

Learn More

Datasheet

47In Stock

60On Order

$9.84

$8.55

$8.49

$8.30

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables NMEA 2000, Micro, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 2000mm, IP68

HPC-000505-0MF-CSA02
Amphenol LTW
1: $25.95
26In Stock
20Expected 11/3/2026

Mfr. Part No.
HPC-000505-0MF-CSA02

Mouser Part No
523-HPC-05050MFCSA02

Amphenol LTW

Sensor Cables / Actuator Cables NMEA 2000, Micro, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 2000mm, IP68

Learn More

Datasheet

26In Stock

20Expected 11/3/2026

$25.95

$25.94

$19.81

$18.83

Min.: 1
Mult.: 1

NMEA 2000 Connector System

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NMEA 2000 Connector System

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