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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 13P 10 SIZE STRAIGHT PLUG SKT

MS27473E10F35S
Amphenol Aerospace
1: ¥9,522.5
96In Stock

Mfr. Part #
MS27473E10F35S

Mouser Part #
654-MS27473E10F35S

Amphenol Aerospace

Circular MIL Spec Connector 13P 10 SIZE STRAIGHT PLUG SKT

Datasheet

96In Stock

¥9,522.5

¥8,708.6

¥8,333.2

Min.: 1
Mult.: 1

Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE PIN

MS27508E12F35A
Amphenol Aerospace
1: ¥11,942.6
67In Stock

Mfr. Part #
MS27508E12F35A

Mouser Part #
654-MS27508E12F35A

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE PIN

Datasheet

67In Stock

¥11,942.6

¥9,502.6

¥9,359.7

Min.: 1
Mult.: 1

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

MS27508E16F35A
Amphenol Aerospace
1: ¥13,095.3
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

¥13,095.3

¥11,190.2

¥10,665.3

¥10,364.6

Min.: 1
Mult.: 1

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

MS27473E16B35S
Amphenol Aerospace
1: ¥13,904.2
70In Stock

Mfr. Part #
MS27473E16B35S

Mouser Part #
654-MS27473E16B35S

Amphenol Aerospace

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

Datasheet

70In Stock

¥13,904.2

Min.: 1
Mult.: 1

No

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

MS27484T12B8P
Amphenol Aerospace
1: ¥12,653.5
20In Stock

Mfr. Part #
MS27484T12B8P

Mouser Part #
654-MS27484T12B8P

Amphenol Aerospace

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

Datasheet

20In Stock

¥12,653.5

¥11,374.5

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SZ 8 PIN WALL MNT

MS27497T8F35P
Amphenol Aerospace
1: ¥11,808
90In Stock

Mfr. Part #
MS27497T8F35P

Mouser Part #
654-MS27497T8F35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SZ 8 PIN WALL MNT

Datasheet

90In Stock

¥11,808

¥10,495.9

¥10,092.2

¥9,755.1

¥9,216.9

Min.: 1
Mult.: 1

Circular MIL Spec Connector BOX MOUNT RECEP

MS27508E10B35P
Amphenol Aerospace
1: ¥16,527
95In Stock

Mfr. Part #
MS27508E10B35P

Mouser Part #
654-MS27508E10B35P

Amphenol Aerospace

Circular MIL Spec Connector BOX MOUNT RECEP

Datasheet

95In Stock

¥16,527

¥9,620.5

¥8,708.6

¥7,104.1

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 37P SZ 14 FEM PNL MNT SKT

MS27474T14B35S
Amphenol Aerospace
1: ¥15,262.9
50In Stock

Mfr. Part #
MS27474T14B35S

Mouser Part #
654-MS27474T14B35S

Amphenol Aerospace

Circular MIL Spec Connector 37P SZ 14 FEM PNL MNT SKT

Datasheet

50In Stock

¥15,262.9

¥13,273.1

¥12,801.3

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 3P SZ 8 WALL MNT SOCKET

MS27497T8F98S
Amphenol Aerospace
1: ¥10,316.5
33In Stock

Mfr. Part #
MS27497T8F98S

Mouser Part #
654-MS27497T8F98S

Amphenol Aerospace

Circular MIL Spec Connector 3P SZ 8 WALL MNT SOCKET

Datasheet

33In Stock

¥10,316.5

¥8,856.5

¥8,786.7

Min.: 1
Mult.: 1

Circular MIL Spec Connector 8P SIZE 16 STRAIGHT PLUG SOCKET

MS27473T16B8S
Amphenol Aerospace
1: ¥11,583.8
57In Stock

Mfr. Part #
MS27473T16B8S

Mouser Part #
654-MS27473T16B8S

Amphenol Aerospace

Circular MIL Spec Connector 8P SIZE 16 STRAIGHT PLUG SOCKET

Datasheet

57In Stock

¥11,583.8

¥11,580.5

¥11,578.8

¥11,577.2

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 32P SZ 18 SOC WALL MNT

MS27497T18B32S
Amphenol Aerospace
1: ¥46,190.7
71In Stock
28Expected 8/21/2026

Mfr. Part #
MS27497T18B32S

Mouser Part #
654-MS27497T18B32S

Amphenol Aerospace

Circular MIL Spec Connector 32P SZ 18 SOC WALL MNT

Datasheet

71In Stock

28Expected 8/21/2026

¥46,190.7

¥37,855.9

¥29,964.4

¥19,732.7

¥15,615.1

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 66P 18 SIZE WALL MOUNT RECEPTACLE SKT

MS27497T18F35S
Amphenol Aerospace
1: ¥17,671.4
28In Stock

Mfr. Part #
MS27497T18F35S

Mouser Part #
654-MS27497T18F35S

Amphenol Aerospace

Circular MIL Spec Connector 66P 18 SIZE WALL MOUNT RECEPTACLE SKT

Datasheet

28In Stock

¥17,671.4

¥16,058.5

¥15,821

Min.: 1
Mult.: 1

Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE SKT

MS27508E12F35S
Amphenol Aerospace
1: ¥13,121.9
91In Stock

Mfr. Part #
MS27508E12F35S

Mouser Part #
654-MS27508E12F35S

Amphenol Aerospace

Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE SKT

Datasheet

91In Stock

¥13,121.9

¥10,942.7

¥10,470.9

¥9,844.7

¥9,766.7

Min.: 1
Mult.: 1

Circular MIL Spec Connector 66P SZ 18 PIN

MS27508E18F35A
Amphenol Aerospace
1: ¥18,119.8
23In Stock

Mfr. Part #
MS27508E18F35A

Mouser Part #
654-MS27508E18F35A

Amphenol Aerospace

Circular MIL Spec Connector 66P SZ 18 PIN

Datasheet

23In Stock

¥18,119.8

¥15,284.5

¥15,121.7

¥13,203.3

View

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories PLUG

MS27488-22
Amphenol Aerospace
1: ¥26.6
91,907In Stock
49,570Expected 11/20/2026

Mfr. Part #
MS27488-22

Mouser Part #
654-MS27488-22

Amphenol Aerospace

Circular MIL Spec Tools, Hardware & Accessories PLUG

Datasheet

91,907In Stock

49,570Expected 11/20/2026

¥26.6

Min.: 1
Mult.: 1

Circular MIL Spec Connector 13P SZ 10 PIN BOX MNT

MS27508E10F35P
Amphenol Aerospace
1: ¥16,995.4
14In Stock

Mfr. Part #
MS27508E10F35P

Mouser Part #
654-MS27508E10F35P

Amphenol Aerospace

Circular MIL Spec Connector 13P SZ 10 PIN BOX MNT

Datasheet

14In Stock

¥16,995.4

¥14,804.5

¥10,849.7

Min.: 1
Mult.: 1

Circular MIL Spec Connector 39P 20 SIZE WALL MOUNT RECEPTACLE SKT

MS27497E20F39S
Amphenol Aerospace
1: ¥22,021.5
11In Stock

Mfr. Part #
MS27497E20F39S

Mouser Part #
654-MS27497E20F39S

Amphenol Aerospace

Circular MIL Spec Connector 39P 20 SIZE WALL MOUNT RECEPTACLE SKT

Datasheet

11In Stock

¥22,021.5

¥20,209.4

¥19,432

¥18,784.2

¥17,746.1

Min.: 1
Mult.: 1

Circular MIL Spec Connector HERMETIC SOLDER MNT REC 6P SZ 22D PIN

MS27471Y9D35P
Amphenol Aerospace
1: ¥82,277.6
4In Stock

Mfr. Part #
MS27471Y9D35P

Mouser Part #
654-MS27471Y9D35P

Amphenol Aerospace

Circular MIL Spec Connector HERMETIC SOLDER MNT REC 6P SZ 22D PIN

Datasheet

4In Stock

¥82,277.6

¥78,728.1

¥49,311.8

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 13P SZ 10 RCPT WALL MNT SKT

MS27472E10B35S
Amphenol Aerospace
1: ¥12,917.6
1In Stock

Mfr. Part #
MS27472E10B35S

Mouser Part #
654-MS27472E10B35S

Amphenol Aerospace

Circular MIL Spec Connector 13P SZ 10 RCPT WALL MNT SKT

Datasheet

1In Stock

¥12,917.6

¥11,482.5

¥11,040.7

¥10,671.9

¥10,082.3

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P SZ 12 PIN BOX MNT

MS27508E12B3P
Amphenol Aerospace
1: ¥11,155.3
9In Stock

Mfr. Part #
MS27508E12B3P

Mouser Part #
654-MS27508E12B3P

Amphenol Aerospace

Circular MIL Spec Connector 22P SZ 12 PIN BOX MNT

Datasheet

9In Stock

¥11,155.3

¥9,673.7

¥9,301.6

¥8,991

View

Min.: 1
Mult.: 1

No

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

MS27472T20B41P
Amphenol Aerospace
1: ¥14,583.6
23In Stock

Mfr. Part #
MS27472T20B41P

Mouser Part #
654-MS27472T20B41P

Amphenol Aerospace

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

Datasheet

23In Stock

¥14,583.6

¥13,298

¥12,786.4

¥12,359.5

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector Plug 5P3 SZ 18 SOC

MS27473T18F53S
Amphenol Aerospace
1: ¥43,624.5
4In Stock

Mfr. Part #
MS27473T18F53S

Mouser Part #
654-MS27473T18F53S

Amphenol Aerospace

Circular MIL Spec Connector Plug 5P3 SZ 18 SOC

Datasheet

4In Stock

¥43,624.5

¥35,199.9

¥33,904.3

¥33,105.4

Min.: 1
Mult.: 1

Circular MIL Spec Connector 41P PLUG SKT

MS27473E20F41S
Amphenol Aerospace
1: ¥20,317.4
17In Stock

Mfr. Part #
MS27473E20F41S

Mouser Part #
654-MS27473E20F41S

Amphenol Aerospace

Circular MIL Spec Connector 41P PLUG SKT

Datasheet

17In Stock

¥20,317.4

¥18,526.8

¥17,834.2

¥17,832.5

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector RECPT 37P SZ 14 PIN

MS27474E14B35P
Amphenol Aerospace
1: ¥16,737.9
30In Stock

Mfr. Part #
MS27474E14B35P

Mouser Part #
654-MS27474E14B35P

Amphenol Aerospace

Circular MIL Spec Connector RECPT 37P SZ 14 PIN

Datasheet

30In Stock

¥16,737.9

¥15,264.6

¥14,676.6

¥13,505.6

Min.: 1
Mult.: 1

No

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

MS27474T12F35P
Amphenol Aerospace
1: ¥15,797.8
31In Stock

Mfr. Part #
MS27474T12F35P

Mouser Part #
654-MS27474T12F35P

Amphenol Aerospace

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

Datasheet

31In Stock

¥15,797.8

¥14,382.6

¥13,829.5

¥13,384.3

View

Min.: 1
Mult.: 1