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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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Results: 1,023

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Part #

Circular MIL Spec Connector 41P FM SZ 20 PIN

MS27508E20F41P
Amphenol Aerospace
1: $257.36
20In Stock

Mfr. Part #
MS27508E20F41P

Mouser Part #
654-MS27508E20F41P

Amphenol Aerospace

Circular MIL Spec Connector 41P FM SZ 20 PIN

Datasheet

20In Stock

$257.36

$250.39

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN

MS27473T14F35P
Amphenol Aerospace
1: $148.58
1In Stock

Mfr. Part #
MS27473T14F35P

Mouser Part #
654-MS27473T14F35P

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN

Datasheet

1In Stock

$148.58

$109.91

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

MS27473T14F35S
Amphenol Aerospace
1: $232.44
2In Stock
15Expected 2026-07-20

Mfr. Part #
MS27473T14F35S

Mouser Part #
654-MS27473T14F35S

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG SKT

Datasheet

2In Stock

15Expected 2026-07-20

$232.44

$137.49

Min.: 1
Mult.: 1

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

MS27473T16F26S
Amphenol Aerospace
1: $214.18
10In Stock

Mfr. Part #
MS27473T16F26S

Mouser Part #
654-MS27473T16F26S

Amphenol Aerospace

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

Datasheet

10In Stock

$214.18

$156.32

Min.: 1
Mult.: 1

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

MS27474T14F18P
Amphenol Aerospace
1: $358.89
143In Stock

Mfr. Part #
MS27474T14F18P

Mouser Part #
654-MS27474T14F18P

Amphenol Aerospace

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

Datasheet

143In Stock

$358.89

View

Min.: 1
Mult.: 1

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

MS27474T14F35S
Amphenol Aerospace
1: $377.87
3In Stock

Mfr. Part #
MS27474T14F35S

Mouser Part #
654-MS27474T14F35S

Amphenol Aerospace

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

Datasheet

3In Stock

$377.87

$351.31

$244.53

$241.63

View

Min.: 1
Mult.: 1

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

MS27473T16B99S
Amphenol Aerospace
1: $386.91
18In Stock

Mfr. Part #
MS27473T16B99S

Mouser Part #
654-MS27473T16B99S

Amphenol Aerospace

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

Datasheet

18In Stock

$386.91

View

Min.: 1
Mult.: 1

No

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

MS27484T12B8P
Amphenol Aerospace
1: $349.20
21In Stock

Mfr. Part #
MS27484T12B8P

Mouser Part #
654-MS27484T12B8P

Amphenol Aerospace

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

Datasheet

21In Stock

$349.20

$348.98

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG SKT

MS27484T12F35SA
Amphenol Aerospace
1: $333.33
18In Stock

Mfr. Part #
MS27484T12F35SA

Mouser Part #
654-MS27484T12F35SA

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG SKT

Datasheet

18In Stock

$333.33

$302.85

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 12P 14 SIZE STRAIGHT PLUG PIN

MS27484T14B97P
Amphenol Aerospace
1: $414.55
17In Stock

Mfr. Part #
MS27484T14B97P

Mouser Part #
654-MS27484T14B97P

Amphenol Aerospace

Circular MIL Spec Connector 12P 14 SIZE STRAIGHT PLUG PIN

Datasheet

17In Stock

$414.55

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P SZ 12 PIN

MS27497T12B35PA
Amphenol Aerospace
1: $300.75
25In Stock

Mfr. Part #
MS27497T12B35PA

Mouser Part #
654-MS27497T12B35PA

Amphenol Aerospace

Circular MIL Spec Connector 22P SZ 12 PIN

Datasheet

25In Stock

$300.75

$173.82

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 8P SZ 12 PIN WALL MNT

MS27497T12B8P
Amphenol Aerospace
1: $274.72
26In Stock

Mfr. Part #
MS27497T12B8P

Mouser Part #
654-MS27497T12B8P

Amphenol Aerospace

Circular MIL Spec Connector 8P SZ 12 PIN WALL MNT

Datasheet

26In Stock

$274.72

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P Sz 12 Box Mount Receptacle

MS27508E12F3P
Amphenol Aerospace
1: $294.52
41In Stock

Mfr. Part #
MS27508E12F3P

Mouser Part #
654-MS27508E12F3P

Amphenol Aerospace

Circular MIL Spec Connector 3P Sz 12 Box Mount Receptacle

Datasheet

41In Stock

$294.52

$260.63

View

Min.: 1
Mult.: 1

No

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

MS27472T14B5P
Amphenol Aerospace
1: $147.79
6In Stock

Mfr. Part #
MS27472T14B5P

Mouser Part #
654-MS27472T14B5P

Amphenol Aerospace

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

Datasheet

6In Stock

$147.79

$126.84

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG SKT

MS27473E10A35S
Amphenol Aerospace
1: $272.38
9In Stock

Mfr. Part #
MS27473E10A35S

Mouser Part #
654-MS27473E10A35S

Amphenol Aerospace

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG SKT

Datasheet

9In Stock

$272.38

$150.64

$148.77

$147.14

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

MS27473E10F98S
Amphenol Aerospace
1: $281.91
3In Stock

Mfr. Part #
MS27473E10F98S

Mouser Part #
654-MS27473E10F98S

Amphenol Aerospace

Circular MIL Spec Connector 6P 10 SIZE STRAIGHT PLUG SKT

Datasheet

3In Stock

$281.91

$131.05

Min.: 1
Mult.: 1

No

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

MS27473E12B3P
Amphenol Aerospace
1: $239.79
10In Stock

Mfr. Part #
MS27473E12B3P

Mouser Part #
654-MS27473E12B3P

Amphenol Aerospace

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

Datasheet

10In Stock

$239.79

$198.88

Min.: 1
Mult.: 1

No

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

MS27473E14B35P
Amphenol Aerospace
1: $285.79
7In Stock

Mfr. Part #
MS27473E14B35P

Mouser Part #
654-MS27473E14B35P

Amphenol Aerospace

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

Datasheet

7In Stock

$285.79

$256.59

$182.92

$182.33

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector PLUG

MS27473E18A53P
Amphenol Aerospace
1: $354.04
1In Stock

Mfr. Part #
MS27473E18A53P

Mouser Part #
654-MS27473E18A53P

Amphenol Aerospace

Circular MIL Spec Connector PLUG

Datasheet

1In Stock

$354.04

$280.67

$246.73

$230.18

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

MS27473E8F35P
Amphenol Aerospace
1: $223.87
2In Stock

Mfr. Part #
MS27473E8F35P

Mouser Part #
654-MS27473E8F35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

Datasheet

2In Stock

$223.87

$150.75

$149.25

$147.76

View

Min.: 1
Mult.: 1

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

MS27473T10B35P
Amphenol Aerospace
1: $191.35
8In Stock

Mfr. Part #
MS27473T10B35P

Mouser Part #
654-MS27473T10B35P

Amphenol Aerospace

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

Datasheet

8In Stock

$191.35

$134.51

Min.: 1
Mult.: 1

No

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

MS27473T10B5S
Amphenol Aerospace
1: $110.22
5In Stock

Mfr. Part #
MS27473T10B5S

Mouser Part #
654-MS27473T10B5S

Amphenol Aerospace

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

Datasheet

5In Stock

$110.22

$93.33

Min.: 1
Mult.: 1

No

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

MS27473T10B5S-LC
Amphenol Aerospace
1: $151.28
1In Stock

Mfr. Part #
MS27473T10B5S-LC

Mouser Part #
654-MS27473T10B5SL

Amphenol Aerospace

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

Datasheet

1In Stock

$151.28

$149.78

$148.30

$145.42

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 7P 10 SIZE STRAIGHT PLUG SKT

MS27473T10B99S
Amphenol Aerospace
1: $188.88
9In Stock

Mfr. Part #
MS27473T10B99S

Mouser Part #
654-MS27473T10B99S

Amphenol Aerospace

Circular MIL Spec Connector 7P 10 SIZE STRAIGHT PLUG SKT

Datasheet

9In Stock

$188.88

$162.60

$137.66

Min.: 1
Mult.: 1

No

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

MS27473T12B35S-LC
Amphenol Aerospace
1: $131.83
7In Stock

Mfr. Part #
MS27473T12B35S-LC

Mouser Part #
654-MS27473T12B35SL

Amphenol Aerospace

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

Datasheet

7In Stock

$131.83

$82.74

$69.10

$65.18

Min.: 1
Mult.: 1

No