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High-Speed Connectors for MIL-DTL-38999

Amphenol Aerospace High-Speed Connectors for MIL-DTL-38999 provide superior electrical performance plus shielding to eliminate interference from outside electrical sources. Amphenol offers an expansive range of contacts that provide high-speed transmission and operate in high-frequency conditions. Amphenol Aerospace High-Speed Connectors are ideal for integrating high-speed and high-frequency contacts.

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Part #

Circular MIL Spec Contacts QUADRAX PI

21-033470-111
Amphenol Aerospace
1: $345.49
65In Stock

Mfr. Part No.
21-033470-111

Mouser Part No
654-21-033470-111

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX PI

Datasheet

65In Stock

$345.49

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497596-055
Amphenol Aerospace
1: $9.08
483In Stock

Mfr. Part No.
10-497596-055

Mouser Part No
654-10-497596-055

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA PC TAIL

Datasheet

483In Stock

$9.08

$8.28

$8.13

$8.04

$7.96

Min.: 1
Mult.: 1

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX SCKT CON

21-033123-563
Amphenol Aerospace
1: $91.99
38In Stock
33Expected 29/9/2026

Mfr. Part No.
21-033123-563

Mouser Part No
654-21-033123-563

Amphenol Aerospace

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX SCKT CON

38In Stock

33Expected 29/9/2026

$91.99

$81.23

$77.91

$75.15

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: $469.05
46In Stock

Mfr. Part No.
21-033471-111

Mouser Part No
654-21-033471-111

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT QUADRAX

Datasheet

46In Stock

$469.05

$426.40

$409.28

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

10-407572-075
Amphenol Aerospace
1: $20.74
1In Stock

Mfr. Part No.
10-407572-075

Mouser Part No
654-10-407572-075

Amphenol Aerospace

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

Datasheet

1In Stock

$20.74

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN CONTAC

10-497640-125
Amphenol Aerospace
1: $26.23
54In Stock

Mfr. Part No.
10-497640-125

Mouser Part No
654-10-497640-125

Amphenol Aerospace

Circular MIL Spec Contacts PIN CONTAC

54In Stock

$26.23

$25.47

$17.01

$16.61

View

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB

21-033899-8Q2
Amphenol Aerospace
1: $20.05
58In Stock

Mfr. Part No.
21-033899-8Q2

Mouser Part No
654-21-033899-8Q2

Amphenol Aerospace

Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB

Datasheet

58In Stock

$20.05

$17.78

$17.10

$16.25

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

10-497596-035
Amphenol Aerospace
1: $12.81
165In Stock

Mfr. Part No.
10-497596-035

Mouser Part No
654-10-497596-035

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

Datasheet

165In Stock

$12.81

$11.44

$10.85

$10.08

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Coax Socket Contact

21-033101-025
Amphenol Aerospace
1: $146.73
6In Stock

Mfr. Part No.
21-033101-025

Mouser Part No
654-21-033101-025

Amphenol Aerospace

Circular MIL Spec Contacts Coax Socket Contact

6In Stock

$146.73

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Hi Frequency Socket Contact

21-033101-029
Amphenol Aerospace
1: $177.44
1In Stock

Mfr. Part No.
21-033101-029

Mouser Part No
654-21-033101-029

Amphenol Aerospace

Circular MIL Spec Contacts Hi Frequency Socket Contact

1In Stock

$177.44

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

21-033191-071
Amphenol Aerospace
1: $650.54
3In Stock

Mfr. Part No.
21-033191-071

Mouser Part No
654-21-033191-071

Amphenol Aerospace

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

Datasheet

3In Stock

$650.54

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

21-033384-191
Amphenol Aerospace
1: $235.04
1In Stock

Mfr. Part No.
21-033384-191

Mouser Part No
654-21-033384-191

Amphenol Aerospace

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

Datasheet

1In Stock

$235.04

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

10-407584-035
Amphenol Aerospace
1: $26.03
8In Stock

Mfr. Part No.
10-407584-035

Mouser Part No
654-10-407584-035

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

8In Stock

$26.03

$19.61

$15.59

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN

21-033122-541
Amphenol Aerospace
1: $54.43
16In Stock

Mfr. Part No.
21-033122-541

Mouser Part No
654-21-033122-541

Amphenol Aerospace

Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN

16In Stock

$54.43

$47.33

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033384-031
Amphenol Aerospace
1: $282.43
4In Stock

Mfr. Part No.
21-033384-031

Mouser Part No
654-21-033384-031

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

Datasheet

4In Stock

$282.43

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 8P Pin use with Cbl GORE RCN8966-24

21-032904-011
Amphenol Aerospace
1: $567.27
2In Stock

Mfr. Part No.
21-032904-011

Mouser Part No
654-21-032904-011

Amphenol Aerospace

Circular MIL Spec Contacts 8P Pin use with Cbl GORE RCN8966-24

Datasheet

2In Stock

$567.27

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT

21-033102-025
Amphenol Aerospace
1: $116.48
19In Stock

Mfr. Part No.
21-033102-025

Mouser Part No
654-21-033102-025

Amphenol Aerospace

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT

19In Stock

$116.48

$102.67

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Bushing

21-033321-009
Amphenol Aerospace
1: $96.91
83In Stock

Mfr. Part No.
21-033321-009

Mouser Part No
654-21-033321-009

Amphenol Aerospace

Circular MIL Spec Contacts Bushing

Datasheet

83In Stock

$96.91

$86.16

$82.84

$80.08

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

21-033122-546
Amphenol Aerospace
1: $117.31
15In Stock

Mfr. Part No.
21-033122-546

Mouser Part No
654-21-033122-546

Amphenol Aerospace

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

15In Stock

$117.31

$113.93

$91.58

$87.33

View

Min.: 1
Mult.: 1

Standard Circular Connector WALL MNT NIC PINS

TVP00RZF-13-53P
Amphenol Aerospace
1: $566.07
6In Stock

Mfr. Part No.
TVP00RZF-13-53P

Mouser Part No
654-TVP00RZF-13-53P

Amphenol Aerospace

Standard Circular Connector WALL MNT NIC PINS

Datasheet

6In Stock

$566.07

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts SOCKET

21-033121-563
Amphenol Aerospace
1: $92.03
3In Stock

Mfr. Part No.
21-033121-563

Mouser Part No
654-21-033121-563

Amphenol Aerospace

Circular MIL Spec Contacts SOCKET

3In Stock

$92.03

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: $7.64
15,017In Stock
12,100Expected 12/11/2026

Mfr. Part No.
10-407552-055

Mouser Part No
654-10-407552-055

Amphenol Aerospace

Circular MIL Spec Contacts PIN 22M P C TAIL

Datasheet

15,017In Stock

12,100Expected 12/11/2026

$7.64

$6.54

$6.17

$5.88

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824

21-032904-021
Amphenol Aerospace
1: $489.08
137In Stock
15On Order

Mfr. Part No.
21-032904-021

Mouser Part No
654-21-032904-021

Amphenol Aerospace

Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824

Datasheet

137In Stock

15On Order

$489.08

$469.53

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824

21-032905-021
Amphenol Aerospace
1: $968.36
64In Stock

Mfr. Part No.
21-032905-021

Mouser Part No
654-21-032905-021

Amphenol Aerospace

Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824

Datasheet

64In Stock

$968.36

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

21-033101-023
Amphenol Aerospace
1: $184.73
549In Stock

Mfr. Part No.
21-033101-023

Mouser Part No
654-21-033101-023

Amphenol Aerospace

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

Datasheet

549In Stock

$184.73

$172.00

$167.40

$148.35

Min.: 1
Mult.: 1