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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 18P SZ 14 SOC WALL MNT

MS27497T14B18S
Amphenol Aerospace
1: 72,25 €
94Expected 9/23/2026

Mfr. Part No.
MS27497T14B18S

Mouser Part No
654-MS27497T14B18S

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 SOC WALL MNT

Datasheet

94Expected 9/23/2026

72,25 €

64,22 €

61,75 €

59,68 €

56,39 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 37P FM SZ 14 SOC WALL MNT

MS27497T14F35S
Amphenol Aerospace
1: 85,05 €
90Expected 10/23/2026

Mfr. Part No.
MS27497T14F35S

Mouser Part No
654-MS27497T14F35S

Amphenol Aerospace

Circular MIL Spec Connector 37P FM SZ 14 SOC WALL MNT

Datasheet

90Expected 10/23/2026

85,05 €

77,55 €

74,57 €

72,08 €

68,10 €

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P SZ 18 PIN

MS27497T18F32P
Amphenol Aerospace
1: 74,67 €
93On Order

Mfr. Part No.
MS27497T18F32P

Mouser Part No
654-MS27497T18F32P

Amphenol Aerospace

Circular MIL Spec Connector 3P SZ 18 PIN

Datasheet

93On Order

74,67 €

68,09 €

65,47 €

63,29 €

59,80 €

Min.: 1
Mult.: 1

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

MS27508E12B35S
Amphenol Aerospace
1: 92,10 €
97Expected 9/1/2026

Mfr. Part No.
MS27508E12B35S

Mouser Part No
654-MS27508E12B35S

Amphenol Aerospace

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

Datasheet

97Expected 9/1/2026

92,10 €

77,58 €

69,19 €

62,94 €

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P SZ 16 PIN

MS27508E16F35P
Amphenol Aerospace
1: 86,56 €
74On Order

Mfr. Part No.
MS27508E16F35P

Mouser Part No
654-MS27508E16F35P

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 PIN

Datasheet

74On Order

86,56 €

78,94 €

75,90 €

73,37 €

69,32 €

Min.: 1
Mult.: 1

Circular MIL Spec Connector 53P SZ 18 SOCKET

MS27508E18A53S
Amphenol Aerospace
1: 111,70 €
27On Order

Mfr. Part No.
MS27508E18A53S

Mouser Part No
654-MS27508E18A53S

Amphenol Aerospace

Circular MIL Spec Connector 53P SZ 18 SOCKET

Datasheet

27On Order

111,70 €

102,51 €

98,56 €

95,28 €

90,02 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 41P SZ 20 PIN

MS27508E20B41P
Amphenol Aerospace
1: 78,79 €
19Expected 10/6/2026

Mfr. Part No.
MS27508E20B41P

Mouser Part No
654-MS27508E20B41P

Amphenol Aerospace

Circular MIL Spec Connector 41P SZ 20 PIN

Datasheet

19Expected 10/6/2026

78,79 €

71,85 €

69,08 €

66,78 €

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 6P SZ 8 PIN

MS27508E8F35P
Amphenol Aerospace
1: 68,03 €
100Expected 11/5/2026

Mfr. Part No.
MS27508E8F35P

Mouser Part No
654-MS27508E8F35P

Amphenol Aerospace

Circular MIL Spec Connector 6P SZ 8 PIN

Datasheet

100Expected 11/5/2026

68,03 €

61,60 €

48,29 €

47,32 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector size 16 shell recpt

MS27508E16B35P
Amphenol Aerospace
1: 84,68 €
79Expected 11/20/2026
Factory Special Order

Mfr. Part No.
MS27508E16B35P

Mouser Part No
654-MS27508E16B35P

Factory Special Order

Amphenol Aerospace

Circular MIL Spec Connector size 16 shell recpt

Datasheet

79Expected 11/20/2026

84,68 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector RECPT 3P SZ 14 SOC

MS27472T14A35S
Amphenol Aerospace
1: 86,71 €
5On Order

Mfr. Part No.
MS27472T14A35S

Mouser Part No
654-MS27472T14A35S

Amphenol Aerospace

Circular MIL Spec Connector RECPT 3P SZ 14 SOC

Datasheet

5On Order

86,71 €

79,07 €

76,03 €

73,49 €

69,44 €

Min.: 1
Mult.: 1

No

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

MS27473E12B35P
Amphenol Aerospace
1: 67,66 €
2Expected 8/24/2026

Mfr. Part No.
MS27473E12B35P

Mouser Part No
654-MS27473E12B35P

Amphenol Aerospace

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

Datasheet

2Expected 8/24/2026

67,66 €

60,14 €

57,83 €

55,90 €

52,81 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT PIN

MS27473T14B18P
Amphenol Aerospace
1: 61,05 €
3Expected 8/24/2026

Mfr. Part No.
MS27473T14B18P

Mouser Part No
654-MS27473T14B18P

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT PIN

Datasheet

3Expected 8/24/2026

61,05 €

51,89 €

48,64 €

46,33 €

44,12 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN

MS27473T14B37P
Amphenol Aerospace
1: 68,08 €
2Expected 9/7/2026

Mfr. Part No.
MS27473T14B37P

Mouser Part No
654-MS27473T14B37P

Amphenol Aerospace

Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN

Datasheet

2Expected 9/7/2026

68,08 €

59,42 €

58,31 €

57,73 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P SZ 16 SOCKET

MS27508E16B35S
Amphenol Aerospace
1: 163,05 €
14Expected 10/23/2026

Mfr. Part No.
MS27508E16B35S

Mouser Part No
654-MS27508E16B35S

Amphenol Aerospace

Circular MIL Spec Connector 55P SZ 16 SOCKET

Datasheet

14Expected 10/23/2026

163,05 €

128,70 €

99,00 €

98,02 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 53P SZ 18 PLUG CBL MNT PIN

MS27473T18A53P
Amphenol Aerospace
Non-Stocked Lead-Time 9 Weeks
Factory Special Order

Mfr. Part No.
MS27473T18A53P

Mouser Part No
654-MS27473T18A53P

Factory Special Order

Amphenol Aerospace

Circular MIL Spec Connector 53P SZ 18 PLUG CBL MNT PIN

Datasheet

Non-Stocked Lead-Time 9 Weeks

Quote

No

Circular MIL Spec Connector 5P SZ 10 PIN BOX MNT

MS27508E10F5P
Amphenol Aerospace
100: 45,12 €
23Stock Available

Mfr. Part No.
MS27508E10F5P

Mouser Part No
654-MS27508E10F5P

Amphenol Aerospace

Circular MIL Spec Connector 5P SZ 10 PIN BOX MNT

Datasheet

23Stock Available

More Info Available

45,12 €

43,80 €

Min.: 100
Mult.: 1

Circular MIL Spec Connector 6P Sz 16 Straight Plug

MS27473T16B6SA
Amphenol Aerospace
100: 79,45 €
1Stock Available

Mfr. Part No.
MS27473T16B6SA

Mouser Part No
654-27473T16B6SA

Amphenol Aerospace

Circular MIL Spec Connector 6P Sz 16 Straight Plug

Datasheet

1Stock Available

More Info Available

79,45 €

Min.: 100
Mult.: 1

No

Circular MIL Spec Connector SKT CON STR PL 8 CON 16 SH SZ

MS27484T16F8S
Amphenol Aerospace
1: 105,65 €
19Stock Available

Mfr. Part No.
MS27484T16F8S

Mouser Part No
654-27484T16F8S

Amphenol Aerospace

Circular MIL Spec Connector SKT CON STR PL 8 CON 16 SH SZ

Datasheet

19Stock Available

More Info Available

105,65 €

96,09 €

95,12 €

94,18 €

70,81 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 55P 22 SIZE STRAIGHT PLUG SKT

MS27484T22F55SC
Amphenol Aerospace
1: 142,13 €
1Stock Available

Mfr. Part No.
MS27484T22F55SC

Mouser Part No
654-27484T22F55SC

Amphenol Aerospace

Circular MIL Spec Connector 55P 22 SIZE STRAIGHT PLUG SKT

Datasheet

1Stock Available

More Info Available

142,13 €

130,44 €

125,42 €

121,23 €

114,54 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector RECPT 22P SZ 12 SOC

MS27472E12B22S
Amphenol Aerospace
100: 62,90 €
15Stock Available

Mfr. Part No.
MS27472E12B22S

Mouser Part No
654-MS27472E12B22S

Amphenol Aerospace

Circular MIL Spec Connector RECPT 22P SZ 12 SOC

Datasheet

15Stock Available

More Info Available

62,90 €

View

Min.: 100
Mult.: 1

No

Circular MIL Spec Connector RECPT 22P SZ 12 PIN

MS27472E12B35P
Amphenol Aerospace
1: 72,76 €
15Stock Available

Mfr. Part No.
MS27472E12B35P

Mouser Part No
654-MS27472E12B35P

Amphenol Aerospace

Circular MIL Spec Connector RECPT 22P SZ 12 PIN

Datasheet

15Stock Available

More Info Available

72,76 €

64,68 €

62,20 €

60,11 €

56,79 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 22P SIZE 12 PIN WALL MOUNT RECPT

MS27472T12B35P
Amphenol Aerospace
1: 67,60 €
15Stock Available

Mfr. Part No.
MS27472T12B35P

Mouser Part No
654-MS27472T12B35P

Amphenol Aerospace

Circular MIL Spec Connector 22P SIZE 12 PIN WALL MOUNT RECPT

Datasheet

15Stock Available

More Info Available

67,60 €

60,09 €

57,77 €

55,85 €

52,76 €

Min.: 1
Mult.: 1

No

Circular MIL Spec Connector 4P SIZE 12 STRAIGHT RECEPTACLE SOCKET

MS27472T12B4S
Amphenol Aerospace
100: 45,84 €
11Stock Available

Mfr. Part No.
MS27472T12B4S

Mouser Part No
654-MS27472T12B4S

Amphenol Aerospace

Circular MIL Spec Connector 4P SIZE 12 STRAIGHT RECEPTACLE SOCKET

Datasheet

11Stock Available

More Info Available

45,84 €

44,51 €

Min.: 100
Mult.: 1

No

Circular MIL Spec Connector 15P SZ 14 RCPT WALL MNT PIN

MS27472T14B15P
Amphenol Aerospace
100: 59,80 €
3Stock Available

Mfr. Part No.
MS27472T14B15P

Mouser Part No
654-MS27472T14B15P

Amphenol Aerospace

Circular MIL Spec Connector 15P SZ 14 RCPT WALL MNT PIN

Datasheet

3Stock Available

More Info Available

59,80 €

Min.: 100
Mult.: 1

No

Circular MIL Spec Connector 18P SZ 14 FEM WALL MNT SKT

MS27472T14F18S
Amphenol Aerospace
100: 56,26 €
6Stock Available

Mfr. Part No.
MS27472T14F18S

Mouser Part No
654-MS27472T14F18S

Amphenol Aerospace

Circular MIL Spec Connector 18P SZ 14 FEM WALL MNT SKT

Datasheet

6Stock Available

More Info Available

56,26 €

Min.: 100
Mult.: 1