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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 55P SZ 16 PLUG CBL MNT SKT

MS27473T16F35S
Amphenol Aerospace
1: $242.30
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

$242.30

$145.17

$134.20

$125.94

View

Min.: 1
Mult.: 1

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

MS27473T16F55S
Amphenol Aerospace
1: $257.67
10In 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

10In Stock

$257.67

$182.08

$145.72

Min.: 1
Mult.: 1

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

MS27473T18B11P
Amphenol Aerospace
1: $96.08
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

$96.08

$93.43

$92.49

$86.67

Min.: 1
Mult.: 1

No

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

MS27473T18B32SA
Amphenol Aerospace
1: $137.63
8In Stock
100Expected 23/10/2026

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 23/10/2026

$137.63

$125.51

$120.69

$116.66

View

Min.: 1
Mult.: 1

No

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

MS27473T18B35S
Amphenol Aerospace
1: $171.26
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

$171.26

$129.81

$128.28

$124.98

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector MIL-C-38999 II

MS27473T18B35SA
Amphenol Aerospace
1: $138.19
3In Stock

Mfr. Part No.
MS27473T18B35SA

Mouser Part No
654-MS27473T18B35SA

Amphenol Aerospace

Circular MIL Spec Connector MIL-C-38999 II

Datasheet

3In Stock

$138.19

$121.80

$117.64

$114.06

View

Min.: 1
Mult.: 1

No

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

MS27473T18F35P
Amphenol Aerospace
1: $137.75
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

$137.75

$123.87

$122.96

Min.: 1
Mult.: 1

No

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

MS27473T18F35S
Amphenol Aerospace
1: $157.75
6In Stock

Mfr. Part No.
MS27473T18F35S

Mouser Part No
654-MS27473T18F35S

Amphenol Aerospace

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

Datasheet

6In Stock

$157.75

$145.81

$136.42

$133.12

View

Min.: 1
Mult.: 1

No

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

MS27473T22F55S
Amphenol Aerospace
1: $228.48
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

$228.48

$212.73

$210.62

$208.52

Quote

Min.: 1
Mult.: 1

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

MS27473T24B35P
Amphenol Aerospace
1: $213.66
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

$213.66

$199.55

$197.57

$195.60

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

MS27473T8A35P
Amphenol Aerospace
1: $182.19
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

$182.19

$153.26

$120.41

$93.15

$93.02

Min.: 1
Mult.: 1

No

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

MS27473T8B35S
Amphenol Aerospace
1: $95.66
3In Stock
100Expected 17/9/2026

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 17/9/2026

$95.66

$71.81

$65.02

$62.33

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

MS27473T8F35P
Amphenol Aerospace
1: $89.38
3In Stock
30Expected 19/8/2026

Mfr. Part No.
MS27473T8F35P

Mouser Part No
654-MS27473T8F35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN

Datasheet

3In Stock

30Expected 19/8/2026

$89.38

$72.54

$71.44

$70.46

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG PIN

MS27473T8F98P
Amphenol Aerospace
1: $92.63
1In Stock
27Expected 9/9/2026

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 9/9/2026

$92.63

$81.48

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN

MS27474T8B35P
Amphenol Aerospace
1: $158.07
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

$158.07

$140.19

$90.97

$88.18

View

Min.: 1
Mult.: 1

No

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

MS27484E10B35P
Amphenol Aerospace
1: $146.09
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

$146.09

$130.97

$127.38

$124.21

Min.: 1
Mult.: 1

No

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

MS27484T10B35P
Amphenol Aerospace
1: $132.26
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

$132.26

$103.31

$97.92

$93.88

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector size 10 13 pin straight plug

MS27484T10B35S
Amphenol Aerospace
1: $139.75
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

$139.75

Min.: 1
Mult.: 1

No

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

MS27484T10B5S
Amphenol Aerospace
1: $117.60
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

$117.60

$105.66

$86.17

$84.09

View

Min.: 1
Mult.: 1

No

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

MS27484T12B35S
Amphenol Aerospace
1: $282.32
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

$282.32

$186.13

$163.81

$127.76

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 10P PLUG PIN

MS27484T12B98P
Amphenol Aerospace
1: $120.67
5In Stock

Mfr. Part No.
MS27484T12B98P

Mouser Part No
654-MS27484T12B98P

Amphenol Aerospace

Circular MIL Spec Connector 10P PLUG PIN

Datasheet

5In Stock

$120.67

$96.23

$93.98

$92.02

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN

MS27484T12F35P
Amphenol Aerospace
1: $230.08
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

$230.08

$194.22

$153.49

Min.: 1
Mult.: 1

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

MS27484T14B35S
Amphenol Aerospace
1: $160.34
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

$160.34

$135.74

$127.40

$121.33

$115.63

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 5P SIZE 14 STRAIGHT PLUG SOCKET

MS27484T14B5S
Amphenol Aerospace
1: $149.63
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

$149.63

$134.67

$131.99

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 12P 14 SIZE STRAIGHT PLUG PIN

MS27484T14B97P
Amphenol Aerospace
1: $232.64
9In Stock

Mfr. Part No.
MS27484T14B97P

Mouser Part No
654-MS27484T14B97P

Amphenol Aerospace

Circular MIL Spec Connector 12P 14 SIZE STRAIGHT PLUG PIN

Datasheet

9In Stock

$232.64

$182.53

$180.73

$178.94

Min.: 1
Mult.: 1

No