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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 22P 12 SIZE STRAIGHT PLUG SKT

MS27473E12F35S
Amphenol Aerospace
1: $150.50
5In Stock

Mfr. Part No.
MS27473E12F35S

Mouser Part No
654-MS27473E12F35S

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG SKT

Datasheet

5In Stock

$150.50

$148.78

$145.72

$137.70

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN

MS27473E14B35P
Amphenol Aerospace
1: $157.54
7In Stock

Mfr. Part No.
MS27473E14B35P

Mouser Part No
654-MS27473E14B35P

Amphenol Aerospace

Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN

Datasheet

7In Stock

$157.54

$136.97

$125.79

$121.45

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

MS27473E14B35S
Amphenol Aerospace
1: $130.55
2In Stock
14Expected 18/8/2026

Mfr. Part No.
MS27473E14B35S

Mouser Part No
654-MS27473E14B35S

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

Datasheet

2In Stock

14Expected 18/8/2026

$130.55

$119.04

$114.46

$110.64

$104.53

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT PIN

MS27473E16F35P
Amphenol Aerospace
1: $132.97
3In Stock

Mfr. Part No.
MS27473E16F35P

Mouser Part No
654-MS27473E16F35P

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT PIN

Datasheet

3In Stock

$132.97

$121.26

$116.58

$112.69

$106.47

Min.: 1
Mult.: 1

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG SOCKET

MS27473E8B35S
Amphenol Aerospace
1: $93.09
8In Stock

Mfr. Part No.
MS27473E8B35S

Mouser Part No
654-MS27473E8B35S

Amphenol Aerospace

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG SOCKET

Datasheet

8In Stock

$93.09

$80.73

$77.63

$75.03

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P SZ 8 PLUG CBL MNT SKT

MS27473E8B98S
Amphenol Aerospace
1: $97.69
1In Stock

Mfr. Part No.
MS27473E8B98S

Mouser Part No
654-MS27473E8B98S

Amphenol Aerospace

Circular MIL Spec Connector 3P SZ 8 PLUG CBL MNT SKT

Datasheet

1In Stock

$97.69

$86.84

$83.49

$80.70

$76.26

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 13 pin sz 10 st plug MS-JT-RE CMP

MS27473T10B35P
Amphenol Aerospace
1: $94.44
14In Stock
30Expected 17/9/2026

Mfr. Part No.
MS27473T10B35P

Mouser Part No
654-MS27473T10B35P

Amphenol Aerospace

Circular MIL Spec Connector 13 pin sz 10 st plug MS-JT-RE CMP

Datasheet

14In Stock

30Expected 17/9/2026

$94.44

$79.72

$72.38

$68.92

$65.63

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector size 10 13 pin straight plug

MS27473T10B35S
Amphenol Aerospace
1: $116.35
9In Stock
100Expected 24/9/2026

Mfr. Part No.
MS27473T10B35S

Mouser Part No
654-MS27473T10B35S

Amphenol Aerospace

Circular MIL Spec Connector size 10 13 pin straight plug

Datasheet

9In Stock

100Expected 24/9/2026

$116.35

$99.88

$86.65

$77.42

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 20 pin plug

MS27473T10B5P
Amphenol Aerospace
1: $121.82
1In Stock

Mfr. Part No.
MS27473T10B5P

Mouser Part No
654-MS27473T10B5P

Amphenol Aerospace

Circular MIL Spec Connector 20 pin plug

Datasheet

1In Stock

$121.82

$82.51

$62.76

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 5P SZ 10 PLUG CBL MNT SKT

MS27473T10B5S
Amphenol Aerospace
1: $93.83
4In Stock

Mfr. Part No.
MS27473T10B5S

Mouser Part No
654-MS27473T10B5S

Amphenol Aerospace

Circular MIL Spec Connector 5P SZ 10 PLUG CBL MNT SKT

Datasheet

4In Stock

$93.83

$73.74

$72.98

$72.26

$72.12

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SZ 10 PLUG CBL MNT SKT

MS27473T10B98S
Amphenol Aerospace
1: $134.76
1In Stock
21Expected 31/8/2026

Mfr. Part No.
MS27473T10B98S

Mouser Part No
654-MS27473T10B98S

Amphenol Aerospace

Circular MIL Spec Connector 6P SZ 10 PLUG CBL MNT SKT

Datasheet

1In Stock

21Expected 31/8/2026

$134.76

$119.97

$88.40

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 7P 10 SIZE STRAIGHT PLUG SKT

MS27473T10B99S
Amphenol Aerospace
1: $175.47
9In Stock

Mfr. Part No.
MS27473T10B99S

Mouser Part No
654-MS27473T10B99S

Amphenol Aerospace

Circular MIL Spec Connector 7P 10 SIZE STRAIGHT PLUG SKT

Datasheet

9In Stock

$175.47

$113.57

$101.47

Quote

Min.: 1
Mult.: 1

No

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

MS27473T10F35P
Amphenol Aerospace
1: $211.14
17In Stock
100Expected 11/11/2026

Mfr. Part No.
MS27473T10F35P

Mouser Part No
654-MS27473T10F35P

Amphenol Aerospace

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

Datasheet

17In Stock

100Expected 11/11/2026

$211.14

$169.01

$153.00

$112.16

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 8P SZ 12 PLUG CBL MNT PIN

MS27473T12B8P
Amphenol Aerospace
1: $97.95
3In Stock

Mfr. Part No.
MS27473T12B8P

Mouser Part No
654-MS27473T12B8P

Amphenol Aerospace

Circular MIL Spec Connector 8P SZ 12 PLUG CBL MNT PIN

Datasheet

3In Stock

$97.95

$83.34

$62.61

$62.12

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 10P SZ 12 PLUG CBL MNT PIN

MS27473T12B98P
Amphenol Aerospace
1: $159.88
1In Stock

Mfr. Part No.
MS27473T12B98P

Mouser Part No
654-MS27473T12B98P

Amphenol Aerospace

Circular MIL Spec Connector 10P SZ 12 PLUG CBL MNT PIN

Datasheet

1In Stock

$159.88

$125.13

$101.59

$78.76

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector Plug10 SZ 12 SOC

MS27473T12B98SA
Amphenol Aerospace
1: $91.54
20In Stock

Mfr. Part No.
MS27473T12B98SA

Mouser Part No
654-MS27473T12B98SA

Amphenol Aerospace

Circular MIL Spec Connector Plug10 SZ 12 SOC

Datasheet

20In Stock

$91.54

$79.38

$68.72

$68.44

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN

MS27473T12F35P
Amphenol Aerospace
1: $149.65
22In Stock

Mfr. Part No.
MS27473T12F35P

Mouser Part No
654-MS27473T12F35P

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN

Datasheet

22In Stock

$149.65

$122.13

$78.01

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN

MS27473T14B35P
Amphenol Aerospace
1: $136.88
1In Stock

Mfr. Part No.
MS27473T14B35P

Mouser Part No
654-MS27473T14B35P

Amphenol Aerospace

Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN

Datasheet

1In Stock

$136.88

$132.07

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector size 14 37 pin straight plug

MS27473T14B35S
Amphenol Aerospace
1: $168.23
8In Stock

Mfr. Part No.
MS27473T14B35S

Mouser Part No
654-MS27473T14B35S

Amphenol Aerospace

Circular MIL Spec Connector size 14 37 pin straight plug

Datasheet

8In Stock

$168.23

$134.15

$118.36

$106.75

Min.: 1
Mult.: 1

No

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

MS27473T14F18S
Amphenol Aerospace
1: $194.53
6In Stock

Mfr. Part No.
MS27473T14F18S

Mouser Part No
654-MS27473T14F18S

Amphenol Aerospace

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

Datasheet

6In Stock

$194.53

$153.98

$142.76

$138.30

Min.: 1
Mult.: 1

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT

MS27473T16A35S
Amphenol Aerospace
1: $280.40
3In Stock

Mfr. Part No.
MS27473T16A35S

Mouser Part No
654-MS27473T16A35S

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT

Datasheet

3In Stock

$280.40

$176.45

$169.43

$125.77

$118.42

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT PIN

MS27473T16B35P
Amphenol Aerospace
1: $124.86
5In Stock

Mfr. Part No.
MS27473T16B35P

Mouser Part No
654-MS27473T16B35P

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT PIN

Datasheet

5In Stock

$124.86

$110.15

$109.04

$107.96

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT PIN

MS27473T16B35PA
Amphenol Aerospace
1: $131.88
4In Stock

Mfr. Part No.
MS27473T16B35PA

Mouser Part No
654-MS27473T16B35PA

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT PIN

Datasheet

4In Stock

$131.88

$109.90

$91.30

$88.67

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55 pin sz 16 st plg MS-JT-RE CRIMP

MS27473T16B35S
Amphenol Aerospace
1: $225.32
6In Stock

Mfr. Part No.
MS27473T16B35S

Mouser Part No
654-MS27473T16B35S

Amphenol Aerospace

Circular MIL Spec Connector 55 pin sz 16 st plg MS-JT-RE CRIMP

Datasheet

6In Stock

$225.32

$135.51

$108.83

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 23P SZ 16 PLUG CBL MNT SKT

MS27473T16B99S
Amphenol Aerospace
1: $136.31
18In Stock

Mfr. Part No.
MS27473T16B99S

Mouser Part No
654-MS27473T16B99S

Amphenol Aerospace

Circular MIL Spec Connector 23P SZ 16 PLUG CBL MNT SKT

Datasheet

18In Stock

$136.31

$100.16

Min.: 1
Mult.: 1

No