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MIL-DTL-38999 Series II Circular Connectors

Amphenol Aerospace MIL-DTL-38999 Series II consists of subminiature circular connectors designed to offer high reliability and high contact density with maximum weight and space savings. Amphenol MIL-DTL-38999 Series II Circular Connectors feature a lightweight, space-saving design, 3-point bayonet lock system, and error-proof alternate positioning. Amphenol Aerospace MIL-DTL-38999 Series II Circular Connectors are ideally suited for industrial applications, military and commercial air, military vehicles, missiles and ordnance, and C4ISR.

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Part #

Circular MIL Spec Connector 128P FM SZ 24 SOCKET

MS27508E24B35S
Amphenol Aerospace
1: $274.72
1In Stock

Mfr. Part No.
MS27508E24B35S

Mouser Part No
654-MS27508E24B35S

Amphenol Aerospace

Circular MIL Spec Connector 128P FM SZ 24 SOCKET

Datasheet

1In Stock

$274.72

$210.31

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT RECEPTACLE PIN

MS27508E8F98P
Amphenol Aerospace
1: $104.43
6In Stock

Mfr. Part No.
MS27508E8F98P

Mouser Part No
654-MS27508E8F98P

Amphenol Aerospace

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT RECEPTACLE PIN

Datasheet

6In Stock

$104.43

$92.83

$89.27

$86.28

$81.52

Min.: 1
Mult.: 1

Circular MIL Spec Connector size 14 18 pin straight plug

MS27484T14F18S
Amphenol Aerospace
1: $137.73
6In Stock

Mfr. Part No.
MS27484T14F18S

Mouser Part No
654-MS27484T14F18S

Amphenol Aerospace

Circular MIL Spec Connector size 14 18 pin straight plug

Datasheet

6In Stock

$137.73

$114.76

$112.20

$110.35

Min.: 1
Mult.: 1

Circular MIL Spec Connector 26P SZ 16 PIN

MS27508E16F26P
Amphenol Aerospace
1: $148.80
6In Stock

Mfr. Part No.
MS27508E16F26P

Mouser Part No
654-MS27508E16F26P

Amphenol Aerospace

Circular MIL Spec Connector 26P SZ 16 PIN

Datasheet

6In Stock

$148.80

$132.94

$95.68

$94.72

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector size 14 37 pin straight plug

MS27484T14B35P
Amphenol Aerospace
1: $105.59
115In Stock
100Expected 6/10/2026
Factory Special Order

Mfr. Part No.
MS27484T14B35P

Mouser Part No
654-MS27484T14B35P

Factory Special Order

Amphenol Aerospace

Circular MIL Spec Connector size 14 37 pin straight plug

Datasheet

115In Stock

100Expected 6/10/2026

$105.59

$92.48

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 5P Sz 14 Straight Plug

MS27473E14B5S
Amphenol Aerospace
1: $95.20
8In Stock

Mfr. Part No.
MS27473E14B5S

Mouser Part No
654-MS27473E14B5S

Amphenol Aerospace

Circular MIL Spec Connector 5P Sz 14 Straight Plug

Datasheet

8In Stock

$95.20

$82.54

$79.36

$76.73

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG PIN

MS27473T10B13P
Amphenol Aerospace
1: $129.32
9In Stock

Mfr. Part No.
MS27473T10B13P

Mouser Part No
654-MS27473T10B13P

Amphenol Aerospace

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG PIN

Datasheet

9In Stock

$129.32

$113.11

$76.36

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 18P SZ 14 FEM WALL MNT PIN

MS27472T14B18P
Amphenol Aerospace
1: $107.67
7In Stock

Mfr. Part No.
MS27472T14B18P

Mouser Part No
654-MS27472T14B18P

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 FEM WALL MNT PIN

Datasheet

7In Stock

$107.67

$95.70

$92.03

$88.96

$84.05

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 37P SZ 14 RCPT WALL MNT PIN

MS27472T14F35P
Amphenol Aerospace
1: $162.86
1In Stock

Mfr. Part No.
MS27472T14F35P

Mouser Part No
654-MS27472T14F35P

Amphenol Aerospace

Circular MIL Spec Connector 37P SZ 14 RCPT WALL MNT PIN

Datasheet

1In Stock

$162.86

$106.72

Min.: 1
Mult.: 1

Circular MIL Spec Connector 13P SIZE 10 PIN CABLE MOUNT PLUG

MS27473E10F35PA
Amphenol Aerospace
1: $99.13
1In Stock

Mfr. Part No.
MS27473E10F35PA

Mouser Part No
654-MS27473E10F35PA

Amphenol Aerospace

Circular MIL Spec Connector 13P SIZE 10 PIN CABLE MOUNT PLUG

Datasheet

1In Stock

$99.13

$88.13

$84.73

$81.90

$77.38

Min.: 1
Mult.: 1

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

MS27473E10F98S
Amphenol Aerospace
1: $97.95
2In Stock

Mfr. Part No.
MS27473E10F98S

Mouser Part No
654-MS27473E10F98S

Amphenol Aerospace

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

Datasheet

2In Stock

$97.95

$84.93

$81.67

$78.93

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

MS27473E14A35S
Amphenol Aerospace
1: $130.55
1In Stock

Mfr. Part No.
MS27473E14A35S

Mouser Part No
654-MS27473E14A35S

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

Datasheet

1In Stock

$130.55

$119.04

$114.46

$110.64

$104.53

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT

MS27473E14B18S
Amphenol Aerospace
1: $157.27
5In Stock

Mfr. Part No.
MS27473E14B18S

Mouser Part No
654-MS27473E14B18S

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT

Datasheet

5In Stock

$157.27

$139.29

$117.93

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT

MS27473E14F18S
Amphenol Aerospace
1: $115.16
4In Stock

Mfr. Part No.
MS27473E14F18S

Mouser Part No
654-MS27473E14F18S

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT

Datasheet

4In Stock

$115.16

$102.37

$98.44

$95.15

$89.90

Min.: 1
Mult.: 1

Circular MIL Spec Connector Plug 6P SZ 16 PIN

MS27473E16F6P
Amphenol Aerospace
1: $129.61
1In Stock

Mfr. Part No.
MS27473E16F6P

Mouser Part No
654-MS27473E16F6P

Amphenol Aerospace

Circular MIL Spec Connector Plug 6P SZ 16 PIN

Datasheet

1In Stock

$129.61

$118.18

$113.64

$109.85

$103.78

Min.: 1
Mult.: 1

Circular MIL Spec Connector 53P 18 SIZE STRAIGHT PLUG SKT

MS27473E18A53S
Amphenol Aerospace
1: $345.88
3In Stock

Mfr. Part No.
MS27473E18A53S

Mouser Part No
654-MS27473E18A53S

Amphenol Aerospace

Circular MIL Spec Connector 53P 18 SIZE STRAIGHT PLUG SKT

Datasheet

3In Stock

$345.88

$309.22

$298.13

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 41P SZ 20 PLUG CBL MNT SKT

MS27473E20A41S
Amphenol Aerospace
1: $269.92
4In Stock

Mfr. Part No.
MS27473E20A41S

Mouser Part No
654-MS27473E20A41S

Amphenol Aerospace

Circular MIL Spec Connector 41P SZ 20 PLUG CBL MNT SKT

Datasheet

4In Stock

$269.92

$116.54

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 79P SZ 20 PLUG CBL MNT PIN

MS27473E20F35P
Amphenol Aerospace
1: $160.41
3In Stock

Mfr. Part No.
MS27473E20F35P

Mouser Part No
654-MS27473E20F35P

Amphenol Aerospace

Circular MIL Spec Connector 79P SZ 20 PLUG CBL MNT PIN

Datasheet

3In Stock

$160.41

$146.28

$140.65

$135.96

$128.45

Min.: 1
Mult.: 1

Circular MIL Spec Connector 79P SZ 20 PLUG CBL MNT SKT

MS27473E20F35S
Amphenol Aerospace
1: $206.38
3In Stock

Mfr. Part No.
MS27473E20F35S

Mouser Part No
654-MS27473E20F35S

Amphenol Aerospace

Circular MIL Spec Connector 79P SZ 20 PLUG CBL MNT SKT

Datasheet

3In Stock

$206.38

$189.41

$182.12

$176.04

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 128P SZ 24 PLUG CBL MNT PIN

MS27473E24A35P
Amphenol Aerospace
1: $206.94
3In Stock

Mfr. Part No.
MS27473E24A35P

Mouser Part No
654-MS27473E24A35P

Amphenol Aerospace

Circular MIL Spec Connector 128P SZ 24 PLUG CBL MNT PIN

Datasheet

3In Stock

$206.94

$189.91

$182.61

$176.51

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 128P 24 SIZE STRAIGHT PLUG SKT

MS27473E24A35S
Amphenol Aerospace
1: $383.47
2In Stock

Mfr. Part No.
MS27473E24A35S

Mouser Part No
654-MS27473E24A35S

Amphenol Aerospace

Circular MIL Spec Connector 128P 24 SIZE STRAIGHT PLUG SKT

Datasheet

2In Stock

$383.47

$263.20

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG SOCKET

MS27473E8F98S
Amphenol Aerospace
1: $101.36
8In Stock

Mfr. Part No.
MS27473E8F98S

Mouser Part No
654-MS27473E8F98S

Amphenol Aerospace

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG SOCKET

Datasheet

8In Stock

$101.36

$90.10

$86.63

$83.74

$79.11

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

MS27473T10C98S
Amphenol Aerospace
1: $93.08
1In Stock

Mfr. Part No.
MS27473T10C98S

Mouser Part No
654-MS27473T10C98S

Amphenol Aerospace

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

Datasheet

1In Stock

$93.08

$79.76

$77.68

$74.95

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 13P SZ 10 PLUG CBL MNT PIN

MS27473T10F35PA
Amphenol Aerospace
1: $87.33
9In Stock

Mfr. Part No.
MS27473T10F35PA

Mouser Part No
654-MS27473T10F35PA

Amphenol Aerospace

Circular MIL Spec Connector 13P SZ 10 PLUG CBL MNT PIN

Datasheet

9In Stock

$87.33

$73.25

$70.64

$68.38

$63.31

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P SZ 12 PLUG CBL MNT PIN

MS27473T12B3P
Amphenol Aerospace
1: $160.02
7In Stock

Mfr. Part No.
MS27473T12B3P

Mouser Part No
654-MS27473T12B3P

Amphenol Aerospace

Circular MIL Spec Connector 3P SZ 12 PLUG CBL MNT PIN

Datasheet

7In Stock

$160.02

$126.49

$119.69

$114.62

Min.: 1
Mult.: 1

No