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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 23P SZ 16 PLUG CBL MNT SKT

MS27473T16B99S
Amphenol Aerospace
1: $100.25
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

$100.25

$73.66

Min.: 1
Mult.: 1

No

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

MS27473T16F35S
Amphenol Aerospace
1: $178.19
4In Stock

Mfr. Part No.
MS27473T16F35S

Mouser Part No
654-MS27473T16F35S

Amphenol Aerospace

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

Datasheet

4In Stock

$178.19

$106.76

$98.69

$92.62

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 55P Sz 16 Crimp Strt Cable Mount Plug

MS27473T16F55S
Amphenol Aerospace
1: $189.50
5In Stock

Mfr. Part No.
MS27473T16F55S

Mouser Part No
654-MS27473T16F55S

Amphenol Aerospace

Circular MIL Spec Connector 55P Sz 16 Crimp Strt Cable Mount Plug

Datasheet

5In Stock

$189.50

$123.74

$123.73

$107.17

Min.: 1
Mult.: 1

Circular MIL Spec Connector 11P SZ 18 PLUG CBL MNT PIN

MS27473T18B11P
Amphenol Aerospace
1: $70.66
1In Stock

Mfr. Part No.
MS27473T18B11P

Mouser Part No
654-MS27473T18B11P

Amphenol Aerospace

Circular MIL Spec Connector 11P SZ 18 PLUG CBL MNT PIN

Datasheet

1In Stock

$70.66

$68.71

$68.02

$63.74

Min.: 1
Mult.: 1

No

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

MS27473T18B32SA
Amphenol Aerospace
1: $101.22
8In Stock
100Expected 2026/10/23

Mfr. Part No.
MS27473T18B32SA

Mouser Part No
654-MS27473T18B32SA

Amphenol Aerospace

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

Datasheet

8In Stock

100Expected 2026/10/23

$101.22

$92.31

$88.76

$85.79

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT SKT

MS27473T18B35S
Amphenol Aerospace
1: $125.95
6In Stock

Mfr. Part No.
MS27473T18B35S

Mouser Part No
654-MS27473T18B35S

Amphenol Aerospace

Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT SKT

Datasheet

6In Stock

$125.95

$95.47

$94.78

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector MIL-C-38999 II

MS27473T18B35SA
Amphenol Aerospace
1: $101.62
3In Stock

Mfr. Part No.
MS27473T18B35SA

Mouser Part No
654-MS27473T18B35SA

Amphenol Aerospace

Circular MIL Spec Connector MIL-C-38999 II

Datasheet

3In Stock

$101.62

$95.44

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN

MS27473T18F35P
Amphenol Aerospace
1: $101.31
5In Stock

Mfr. Part No.
MS27473T18F35P

Mouser Part No
654-MS27473T18F35P

Amphenol Aerospace

Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN

Datasheet

5In Stock

$101.31

$91.10

$90.42

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT SKT

MS27473T18F35S
Amphenol Aerospace
1: $116.01
Lead-Time 10 Weeks

Mfr. Part No.
MS27473T18F35S

Mouser Part No
654-MS27473T18F35S

Amphenol Aerospace

Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT SKT

Datasheet

Lead-Time 10 Weeks

$116.01

$107.23

$100.33

$97.90

$97.20

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P SZ 22 PLUG CBL MNT SKT

MS27473T22F55S
Amphenol Aerospace
1: $168.03
6In Stock

Mfr. Part No.
MS27473T22F55S

Mouser Part No
654-MS27473T22F55S

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 22 PLUG CBL MNT SKT

Datasheet

6In Stock

$168.03

$156.45

$154.90

$153.35

$121.94

Min.: 1
Mult.: 1

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

MS27473T24B35P
Amphenol Aerospace
1: $157.13
4In Stock

Mfr. Part No.
MS27473T24B35P

Mouser Part No
654-MS27473T24B35P

Amphenol Aerospace

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

Datasheet

4In Stock

$157.13

$146.76

$145.29

$143.85

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

MS27473T8A35P
Amphenol Aerospace
1: $133.99
6In Stock

Mfr. Part No.
MS27473T8A35P

Mouser Part No
654-MS27473T8A35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

Datasheet

6In Stock

$133.99

$112.71

$88.55

$68.50

$68.41

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SZ 8 PLUG CBL MNT SKT

MS27473T8B35S
Amphenol Aerospace
1: $70.35
3In Stock
100Expected 2026/09/17

Mfr. Part No.
MS27473T8B35S

Mouser Part No
654-MS27473T8B35S

Amphenol Aerospace

Circular MIL Spec Connector 6P SZ 8 PLUG CBL MNT SKT

Datasheet

3In Stock

100Expected 2026/09/17

$70.35

$52.81

$47.82

$45.83

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

MS27473T8F35P
Amphenol Aerospace
1: $109.28
3In Stock
30On Order

Mfr. Part No.
MS27473T8F35P

Mouser Part No
654-MS27473T8F35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

Datasheet

3In Stock

30On Order

$109.28

$65.98

$63.62

$61.74

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG PIN

MS27473T8F98P
Amphenol Aerospace
1: $68.12
1In Stock
27Expected 2026/09/09

Mfr. Part No.
MS27473T8F98P

Mouser Part No
654-MS27473T8F98P

Amphenol Aerospace

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG PIN

Datasheet

1In Stock

27Expected 2026/09/09

$68.12

$59.92

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN

MS27474T8B35P
Amphenol Aerospace
1: $116.25
1In Stock

Mfr. Part No.
MS27474T8B35P

Mouser Part No
654-MS27474T8B35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN

Datasheet

1In Stock

$116.25

$103.10

$66.91

$66.48

Min.: 1
Mult.: 1

No

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

MS27484E10B35P
Amphenol Aerospace
1: $107.44
1In Stock

Mfr. Part No.
MS27484E10B35P

Mouser Part No
654-MS27484E10B35P

Amphenol Aerospace

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

Datasheet

1In Stock

$107.44

$96.32

$93.68

$91.34

Min.: 1
Mult.: 1

No

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

MS27484T10B35P
Amphenol Aerospace
1: $97.27
4In Stock

Mfr. Part No.
MS27484T10B35P

Mouser Part No
654-MS27484T10B35P

Amphenol Aerospace

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

Datasheet

4In Stock

$97.27

$75.98

$72.01

$69.05

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector size 10 13 pin straight plug

MS27484T10B35S
Amphenol Aerospace
1: $102.77
1In Stock

Mfr. Part No.
MS27484T10B35S

Mouser Part No
654-MS27484T10B35S

Amphenol Aerospace

Circular MIL Spec Connector size 10 13 pin straight plug

Datasheet

1In Stock

$102.77

Min.: 1
Mult.: 1

No

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

MS27484T10B5S
Amphenol Aerospace
1: $86.48
3In Stock

Mfr. Part No.
MS27484T10B5S

Mouser Part No
654-MS27484T10B5S

Amphenol Aerospace

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

Datasheet

3In Stock

$86.48

$77.70

$63.44

Min.: 1
Mult.: 1

No

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

MS27484T12B35S
Amphenol Aerospace
1: $207.63
7In Stock

Mfr. Part No.
MS27484T12B35S

Mouser Part No
654-MS27484T12B35S

Amphenol Aerospace

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

Datasheet

7In Stock

$207.63

$136.89

$120.48

$93.96

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 10P PLUG PIN

MS27484T12B98P
Amphenol Aerospace
1: $88.75
5In Stock

Mfr. Part No.
MS27484T12B98P

Mouser Part No
654-MS27484T12B98P

Amphenol Aerospace

Circular MIL Spec Connector 10P PLUG PIN

Datasheet

5In Stock

$88.75

$70.77

$69.12

$67.67

$66.78

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN

MS27484T12F35P
Amphenol Aerospace
1: $169.20
16In Stock

Mfr. Part No.
MS27484T12F35P

Mouser Part No
654-MS27484T12F35P

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN

Datasheet

16In Stock

$169.20

$142.84

$112.88

Min.: 1
Mult.: 1

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

MS27484T14B35S
Amphenol Aerospace
1: $117.53
1In Stock

Mfr. Part No.
MS27484T14B35S

Mouser Part No
654-MS27484T14B35S

Amphenol Aerospace

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

Datasheet

1In Stock

$117.53

$99.95

$93.69

$89.23

$88.45

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 5P SIZE 14 STRAIGHT PLUG SOCKET

MS27484T14B5S
Amphenol Aerospace
1: $110.04
4In Stock

Mfr. Part No.
MS27484T14B5S

Mouser Part No
654-MS27484T14B5S

Amphenol Aerospace

Circular MIL Spec Connector 5P SIZE 14 STRAIGHT PLUG SOCKET

Datasheet

4In Stock

$110.04

$99.04

$97.06

Min.: 1
Mult.: 1

No