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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 37P 14 SIZE STRAIGHT PLUG SKT

MS27473T14F35S
Amphenol Aerospace
1: $208.44
2In Stock
15Expected 20/7/2026

Mfr. Part No.
MS27473T14F35S

Mouser Part No
654-MS27473T14F35S

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

Datasheet

2In Stock

15Expected 20/7/2026

$208.44

$123.29

Min.: 1
Mult.: 1

Circular MIL Spec Connector 18P SZ 14 RCPT PNL MNT PIN

MS27474T14F18P
Amphenol Aerospace
1: $321.84
143In Stock

Mfr. Part No.
MS27474T14F18P

Mouser Part No
654-MS27474T14F18P

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 RCPT PNL MNT PIN

Datasheet

143In Stock

$321.84

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P 14 SIZE JAM NUT RECEPTACLE SKT

MS27474T14F35S
Amphenol Aerospace
1: $338.87
3In Stock

Mfr. Part No.
MS27474T14F35S

Mouser Part No
654-MS27474T14F35S

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE JAM NUT RECEPTACLE SKT

Datasheet

3In Stock

$338.87

$315.04

$219.29

$216.69

View

Min.: 1
Mult.: 1

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

MS27473T16B99S
Amphenol Aerospace
1: $346.97
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

$346.97

View

Min.: 1
Mult.: 1

No

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

MS27484T12B8P
Amphenol Aerospace
1: $313.15
21In Stock

Mfr. Part No.
MS27484T12B8P

Mouser Part No
654-MS27484T12B8P

Amphenol Aerospace

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

Datasheet

21In Stock

$313.15

$312.96

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG SKT

MS27484T12F35SA
Amphenol Aerospace
1: $298.92
18In Stock

Mfr. Part No.
MS27484T12F35SA

Mouser Part No
654-MS27484T12F35SA

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG SKT

Datasheet

18In Stock

$298.92

$271.59

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 12P 14 SIZE STRAIGHT PLUG PIN

MS27484T14B97P
Amphenol Aerospace
1: $371.76
17In Stock

Mfr. Part No.
MS27484T14B97P

Mouser Part No
654-MS27484T14B97P

Amphenol Aerospace

Circular MIL Spec Connector 12P 14 SIZE STRAIGHT PLUG PIN

Datasheet

17In Stock

$371.76

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P SZ 12 PIN

MS27497T12B35PA
Amphenol Aerospace
1: $269.70
25In Stock

Mfr. Part No.
MS27497T12B35PA

Mouser Part No
654-MS27497T12B35PA

Amphenol Aerospace

Circular MIL Spec Connector 22P SZ 12 PIN

Datasheet

25In Stock

$269.70

$155.87

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 8P SZ 12 PIN WALL MNT

MS27497T12B8P
Amphenol Aerospace
1: $246.36
24In Stock

Mfr. Part No.
MS27497T12B8P

Mouser Part No
654-MS27497T12B8P

Amphenol Aerospace

Circular MIL Spec Connector 8P SZ 12 PIN WALL MNT

Datasheet

24In Stock

$246.36

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P Sz 12 Box Mount Receptacle

MS27508E12F3P
Amphenol Aerospace
1: $264.11
41In Stock

Mfr. Part No.
MS27508E12F3P

Mouser Part No
654-MS27508E12F3P

Amphenol Aerospace

Circular MIL Spec Connector 3P Sz 12 Box Mount Receptacle

Datasheet

41In Stock

$264.11

$233.73

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 5P SZ 14 FEM WALL MNT PIN

MS27472T14B5P
Amphenol Aerospace
1: $132.54
6In Stock

Mfr. Part No.
MS27472T14B5P

Mouser Part No
654-MS27472T14B5P

Amphenol Aerospace

Circular MIL Spec Connector 5P SZ 14 FEM WALL MNT PIN

Datasheet

6In Stock

$132.54

$113.74

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG SKT

MS27473E10A35S
Amphenol Aerospace
1: $244.26
9In Stock

Mfr. Part No.
MS27473E10A35S

Mouser Part No
654-MS27473E10A35S

Amphenol Aerospace

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG SKT

Datasheet

9In Stock

$244.26

$135.09

$133.41

$131.95

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

MS27473E10F98S
Amphenol Aerospace
1: $252.81
3In Stock

Mfr. Part No.
MS27473E10F98S

Mouser Part No
654-MS27473E10F98S

Amphenol Aerospace

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

Datasheet

3In Stock

$252.81

$117.52

Min.: 1
Mult.: 1

No

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

MS27473E12B3P
Amphenol Aerospace
1: $215.03
10In Stock

Mfr. Part No.
MS27473E12B3P

Mouser Part No
654-MS27473E12B3P

Amphenol Aerospace

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

Datasheet

10In Stock

$215.03

$178.35

Min.: 1
Mult.: 1

No

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

MS27473E14B35P
Amphenol Aerospace
1: $256.29
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

$256.29

$230.10

$164.03

$163.51

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector PLUG

MS27473E18A53P
Amphenol Aerospace
1: $317.49
1In Stock

Mfr. Part No.
MS27473E18A53P

Mouser Part No
654-MS27473E18A53P

Amphenol Aerospace

Circular MIL Spec Connector PLUG

Datasheet

1In Stock

$317.49

$251.70

$221.26

$206.42

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

MS27473E8F35P
Amphenol Aerospace
1: $200.76
2In Stock

Mfr. Part No.
MS27473E8F35P

Mouser Part No
654-MS27473E8F35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

Datasheet

2In Stock

$200.76

$135.19

$133.84

$132.51

View

Min.: 1
Mult.: 1

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

MS27473T10B35P
Amphenol Aerospace
1: $171.60
8In Stock

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

8In Stock

$171.60

$120.62

Min.: 1
Mult.: 1

No

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

MS27473T10B5S
Amphenol Aerospace
1: $98.84
5In Stock

Mfr. Part No.
MS27473T10B5S

Mouser Part No
654-MS27473T10B5S

Amphenol Aerospace

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

Datasheet

5In Stock

$98.84

$83.69

Min.: 1
Mult.: 1

No

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

MS27473T10B5S-LC
Amphenol Aerospace
1: $135.66
1In Stock

Mfr. Part No.
MS27473T10B5S-LC

Mouser Part No
654-MS27473T10B5SL

Amphenol Aerospace

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

Datasheet

1In Stock

$135.66

$134.32

$133.00

$130.41

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 7P 10 SIZE STRAIGHT PLUG SKT

MS27473T10B99S
Amphenol Aerospace
1: $169.39
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

$169.39

$145.81

$123.45

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P SZ 12 PLUG CBL MNT SKT

MS27473T12B35S-LC
Amphenol Aerospace
1: $118.22
7In Stock

Mfr. Part No.
MS27473T12B35S-LC

Mouser Part No
654-MS27473T12B35SL

Amphenol Aerospace

Circular MIL Spec Connector 22P SZ 12 PLUG CBL MNT SKT

Datasheet

7In Stock

$118.22

$74.20

$61.97

$58.45

Min.: 1
Mult.: 1

No

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

MS27473T12B3P
Amphenol Aerospace
1: $194.17
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

$194.17

$124.06

$121.65

$119.60

View

Min.: 1
Mult.: 1

No

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

MS27473T12B98P
Amphenol Aerospace
1: $225.58
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

$225.58

$136.78

$136.01

$135.04

View

Min.: 1
Mult.: 1

No

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

MS27473T14B35P
Amphenol Aerospace
1: $209.82
6In Stock

Mfr. Part No.
MS27473T14B35P

Mouser Part No
654-MS27473T14B35P

Amphenol Aerospace

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

Datasheet

6In Stock

$209.82

$122.14

$120.94

$119.90

View

Min.: 1
Mult.: 1

No