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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 3P SZ 8 WALL MNT SOCKET

MS27497T8F98S
Amphenol Aerospace
1: $82.57
34In Stock

Mfr. Part #
MS27497T8F98S

Mouser Part #
654-MS27497T8F98S

Amphenol Aerospace

Circular MIL Spec Connector 3P SZ 8 WALL MNT SOCKET

Datasheet

34In Stock

$82.57

Min.: 1
Mult.: 1

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

MS27473T20B35P
Amphenol Aerospace
1: $115.91
49In Stock

Mfr. Part #
MS27473T20B35P

Mouser Part #
654-MS27473T20B35P

Amphenol Aerospace

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

Datasheet

49In Stock

$115.91

Min.: 1
Mult.: 1

No

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

MS27484E16F35P
Amphenol Aerospace
1: $251.15
9In Stock

Mfr. Part #
MS27484E16F35P

Mouser Part #
654-MS27484E16F35P

Amphenol Aerospace

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

Datasheet

9In Stock

$251.15

Min.: 1
Mult.: 1

Circular MIL Spec Connector 55P SZ 16 SOC WALL MNT

MS27497T16B35S
Amphenol Aerospace
1: $204.62
23In Stock

Mfr. Part #
MS27497T16B35S

Mouser Part #
654-MS27497T16B35S

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 SOC WALL MNT

Datasheet

23In Stock

$204.62

Min.: 1
Mult.: 1

No

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

MS27473E20A41S
Amphenol Aerospace
1: $476.59
8In Stock

Mfr. Part #
MS27473E20A41S

Mouser Part #
654-MS27473E20A41S

Amphenol Aerospace

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

Datasheet

8In Stock

$476.59

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT

MS27473T18B32P
Amphenol Aerospace
1: $127.24
16In Stock

Mfr. Part #
MS27473T18B32P

Mouser Part #
654-MS27473T18B32P

Amphenol Aerospace

Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT

Datasheet

16In Stock

$127.24

$123.33

$116.19

$109.82

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector RECPT 3P SZ 14 SOC

MS27472T14A35S
Amphenol Aerospace
1: $172.33
29In Stock

Mfr. Part #
MS27472T14A35S

Mouser Part #
654-MS27472T14A35S

Amphenol Aerospace

Circular MIL Spec Connector RECPT 3P SZ 14 SOC

Datasheet

29In Stock

$172.33

$132.08

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG SOCKET

MS27473E8F98S
Amphenol Aerospace
1: $111.62
10In Stock

Mfr. Part #
MS27473E8F98S

Mouser Part #
654-MS27473E8F98S

Amphenol Aerospace

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG SOCKET

Datasheet

10In Stock

$111.62

$108.62

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 8P WALL MT RCP SZ12 BACK PANEL SCKT CRMP

MS27497T12F8S
Amphenol Aerospace
1: $278.09
8In Stock

Mfr. Part #
MS27497T12F8S

Mouser Part #
654-MS27497T12F8S

Amphenol Aerospace

Circular MIL Spec Connector 8P WALL MT RCP SZ12 BACK PANEL SCKT CRMP

Datasheet

8In Stock

$278.09

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 41P 20 SIZE WALL MOUNT RECEPTACLE PIN

MS27472T20B41P
Amphenol Aerospace
1: $121.24
23In Stock
1Expected 2026-07-16

Mfr. Part #
MS27472T20B41P

Mouser Part #
654-MS27472T20B41P

Amphenol Aerospace

Circular MIL Spec Connector 41P 20 SIZE WALL MOUNT RECEPTACLE PIN

Datasheet

23In Stock

1Expected 2026-07-16

$121.24

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector RECPT 37P SZ 14 PIN

MS27474E14B35P
Amphenol Aerospace
1: $109.49
30In Stock

Mfr. Part #
MS27474E14B35P

Mouser Part #
654-MS27474E14B35P

Amphenol Aerospace

Circular MIL Spec Connector RECPT 37P SZ 14 PIN

Datasheet

30In Stock

$109.49

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 18P 14 SIZE WALL MOUNT RECEPTACLE PIN

MS27497T14B18P
Amphenol Aerospace
1: $96.32
11In Stock

Mfr. Part #
MS27497T14B18P

Mouser Part #
654-MS27497T14B18P

Amphenol Aerospace

Circular MIL Spec Connector 18P 14 SIZE WALL MOUNT RECEPTACLE PIN

Datasheet

11In Stock

$96.32

$87.65

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 8P SIZE 16 STRAIGHT PLUG SOCKET

MS27473T16B8S
Amphenol Aerospace
1: $137.90
57In Stock

Mfr. Part #
MS27473T16B8S

Mouser Part #
654-MS27473T16B8S

Amphenol Aerospace

Circular MIL Spec Connector 8P SIZE 16 STRAIGHT PLUG SOCKET

Datasheet

57In Stock

$137.90

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 41P PLUG SKT

MS27473E20F41S
Amphenol Aerospace
1: $187.94
19In Stock

Mfr. Part #
MS27473E20F41S

Mouser Part #
654-MS27473E20F41S

Amphenol Aerospace

Circular MIL Spec Connector 41P PLUG SKT

Datasheet

19In Stock

$187.94

Min.: 1
Mult.: 1

Circular MIL Spec Connector 22P FM SZ 12 SOC BOX MNT

MS27508E12A35S
Amphenol Aerospace
1: $94.12
23In Stock

Mfr. Part #
MS27508E12A35S

Mouser Part #
654-MS27508E12A35S

Amphenol Aerospace

Circular MIL Spec Connector 22P FM SZ 12 SOC BOX MNT

Datasheet

23In Stock

$94.12

$93.17

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 37P FM SZ 14 SOCKET

MS27508E14B35S
Amphenol Aerospace
1: $154.27
10In Stock

Mfr. Part #
MS27508E14B35S

Mouser Part #
654-MS27508E14B35S

Amphenol Aerospace

Circular MIL Spec Connector 37P FM SZ 14 SOCKET

Datasheet

10In Stock

$154.27

$140.48

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P 16 SIZE BOX MOUNT RECEPTACLE PIN

MS27508E16F35A
Amphenol Aerospace
1: $92.33
31In Stock

Mfr. Part #
MS27508E16F35A

Mouser Part #
654-MS27508E16F35A

Amphenol Aerospace

Circular MIL Spec Connector 55P 16 SIZE BOX MOUNT RECEPTACLE PIN

Datasheet

31In Stock

$92.33

Min.: 1
Mult.: 1

Circular MIL Spec Connector 15P SZ 14 PLUG CBL MNT PIN

MS27473T14B15P
Amphenol Aerospace
1: $88.07
30In Stock

Mfr. Part #
MS27473T14B15P

Mouser Part #
654-MS27473T14B15P

Amphenol Aerospace

Circular MIL Spec Connector 15P SZ 14 PLUG CBL MNT PIN

Datasheet

30In Stock

$88.07

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P SZ 12 RCPT PNL MNT PIN

MS27474T12F35P
Amphenol Aerospace
1: $83.95
32In Stock

Mfr. Part #
MS27474T12F35P

Mouser Part #
654-MS27474T12F35P

Amphenol Aerospace

Circular MIL Spec Connector 22P SZ 12 RCPT PNL MNT PIN

Datasheet

32In Stock

$83.95

$82.40

Min.: 1
Mult.: 1

Circular MIL Spec Connector 26P SZ 16 PLUG CBL MNT SKT

MS27484T16B26S
Amphenol Aerospace
1: $145.96
9In Stock

Mfr. Part #
MS27484T16B26S

Mouser Part #
654-MS27484T16B26S

Amphenol Aerospace

Circular MIL Spec Connector 26P SZ 16 PLUG CBL MNT SKT

Datasheet

9In Stock

$145.96

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 21P FM SZ 22 SOC WALL MNT

MS27497T22F21S
Amphenol Aerospace
1: $555.58
29In Stock

Mfr. Part #
MS27497T22F21S

Mouser Part #
654-MS27497T22F21S

Amphenol Aerospace

Circular MIL Spec Connector 21P FM SZ 22 SOC WALL MNT

Datasheet

29In Stock

$555.58

$528.80

$518.13

Min.: 1
Mult.: 1

Circular MIL Spec Connector 6P 8 SIZE STRAIGHT PLUG SKT

MS27484T8F35SA
Amphenol Aerospace
1: $97.79
10In Stock

Mfr. Part #
MS27484T8F35SA

Mouser Part #
654-MS27484T8F35SA

Amphenol Aerospace

Circular MIL Spec Connector 6P 8 SIZE STRAIGHT PLUG SKT

Datasheet

10In Stock

$97.79

Min.: 1
Mult.: 1

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

MS27484T16F35S
Amphenol Aerospace
1: $543.63
65In Stock

Mfr. Part #
MS27484T16F35S

Mouser Part #
654-MS27484T16F35S

Amphenol Aerospace

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

Datasheet

65In Stock

$543.63

$527.93

Min.: 1
Mult.: 1

Circular MIL Spec Connector 22P SZ 12 FEM PNL MNT SKT

MS27474T12F35S
Amphenol Aerospace
1: $350.53
5In Stock

Mfr. Part #
MS27474T12F35S

Mouser Part #
654-MS27474T12F35S

Amphenol Aerospace

Circular MIL Spec Connector 22P SZ 12 FEM PNL MNT SKT

Datasheet

5In Stock

$350.53

Min.: 1
Mult.: 1

Circular MIL Spec Connector 13P SZ 10 PIN BOX MNT

MS27508E10F35P
Amphenol Aerospace
1: $312.11
14In Stock

Mfr. Part #
MS27508E10F35P

Mouser Part #
654-MS27508E10F35P

Amphenol Aerospace

Circular MIL Spec Connector 13P SZ 10 PIN BOX MNT

Datasheet

14In Stock

$312.11

$258.09

$228.92

Min.: 1
Mult.: 1