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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN MS27473T14F35P Amphenol Aerospace 1: CHF 49.94 24In Stock	Mfr. Part No. MS27473T14F35P Mouser Part No 654-MS27473T14F35P	Amphenol Aerospace	Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	24In Stock	CHF 49.94 CHF 47.81	Min.: 1 Mult.: 1
Circular MIL Spec Connector 5P Size 10 Rear Mount Receptacle MS27474T10F5P Amphenol Aerospace 1: CHF 69.83 89In Stock	Mfr. Part No. MS27474T10F5P Mouser Part No 654-MS27474T10F5P	Amphenol Aerospace	Circular MIL Spec Connector 5P Size 10 Rear Mount Receptacle Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	89In Stock	CHF 69.83 CHF 62.08 CHF 59.69 CHF 57.70 View CHF 54.54 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 37P SZ 14 FEM PNL MNT SKT MS27474T14B35S Amphenol Aerospace 1: CHF 74.16 50In Stock	Mfr. Part No. MS27474T14B35S Mouser Part No 654-MS27474T14B35S	Amphenol Aerospace	Circular MIL Spec Connector 37P SZ 14 FEM PNL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	50In Stock	CHF 74.16 CHF 67.20	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 79P SZ 20 PLUG CBL MNT SKT MS27473T20B35S Amphenol Aerospace 1: CHF 86.70 21In Stock	Mfr. Part No. MS27473T20B35S Mouser Part No 654-MS27473T20B35S	Amphenol Aerospace	Circular MIL Spec Connector 79P SZ 20 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	21In Stock	CHF 86.70	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT MS27473T18B32S Amphenol Aerospace 1: CHF 74.55 99In Stock	Mfr. Part No. MS27473T18B32S Mouser Part No 654-MS27473T18B32S	Amphenol Aerospace	Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	99In Stock	CHF 74.55 CHF 63.24 CHF 62.02 CHF 61.84 Quote Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SIZE 8 SOCKET CABLE MOUNT PLUG MS27473T8A35S Amphenol Aerospace 1: CHF 50.23 97In Stock	Mfr. Part No. MS27473T8A35S Mouser Part No 654-MS27473T8A35S	Amphenol Aerospace	Circular MIL Spec Connector 6P SIZE 8 SOCKET CABLE MOUNT PLUG Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	97In Stock	CHF 50.23 CHF 42.12 CHF 39.93 CHF 37.58 CHF 37.57	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG PIN MS27473T8F98P Amphenol Aerospace 1: CHF 78.02 28In Stock	Mfr. Part No. MS27473T8F98P Mouser Part No 654-MS27473T8F98P	Amphenol Aerospace	Circular MIL Spec Connector 3P SIZE 8 STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	28In Stock	CHF 78.02 CHF 58.35 CHF 58.03 CHF 48.77	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 53P SZ 18 SOCKET MS27508E18A53S Amphenol Aerospace 1: CHF 104.56 27In Stock	Mfr. Part No. MS27508E18A53S Mouser Part No 654-MS27508E18A53S	Amphenol Aerospace	Circular MIL Spec Connector 53P SZ 18 SOCKET Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	27In Stock	CHF 104.56 CHF 96.71 CHF 96.69 CHF 86.87 View Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 100P FM SZ 22 PIN WALL MNT MS27497T22B35P Amphenol Aerospace 1: CHF 103.23 26In Stock 1On Order	Mfr. Part No. MS27497T22B35P Mouser Part No 654-MS27497T22B35P	Amphenol Aerospace	Circular MIL Spec Connector 100P FM SZ 22 PIN WALL MNT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	26In Stock 1On Order	CHF 103.23 CHF 94.14 CHF 90.52 CHF 87.49 View CHF 82.70 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE SKT MS27508E12B35S Amphenol Aerospace 1: CHF 81.44 97In Stock	Mfr. Part No. MS27508E12B35S Mouser Part No 654-MS27508E12B35S	Amphenol Aerospace	Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	97In Stock	CHF 81.44 CHF 68.88 CHF 61.19 CHF 52.48 View CHF 51.44 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 41P SZ 20 PLUG CBL MNT SKT MS27473E20B41S Amphenol Aerospace 1: CHF 187.01 38In Stock 61Expected 10/30/2026	Mfr. Part No. MS27473E20B41S Mouser Part No 654-MS27473E20B41S	Amphenol Aerospace	Circular MIL Spec Connector 41P SZ 20 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	38In Stock 61Expected 10/30/2026	CHF 187.01 CHF 149.46 CHF 116.71 CHF 78.29 View CHF 78.28 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 55P 16 SIZE BOX MOUNT RECEPTACLE PIN MS27508E16F35A Amphenol Aerospace 1: CHF 62.96 31In Stock	Mfr. Part No. MS27508E16F35A Mouser Part No 654-MS27508E16F35A	Amphenol Aerospace	Circular MIL Spec Connector 55P 16 SIZE BOX MOUNT RECEPTACLE PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	31In Stock	CHF 62.96 CHF 53.43 CHF 50.95 CHF 50.13	Min.: 1 Mult.: 1
Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT MS27473E16B35S Amphenol Aerospace 1: CHF 81.37 70In Stock	Mfr. Part No. MS27473E16B35S Mouser Part No 654-MS27473E16B35S	Amphenol Aerospace	Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	70In Stock	CHF 81.37 CHF 75.59	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 8P SZ 12 PLUG CBL MNT PIN MS27484T12B8P Amphenol Aerospace 1: CHF 67.52 20In Stock	Mfr. Part No. MS27484T12B8P Mouser Part No 654-MS27484T12B8P	Amphenol Aerospace	Circular MIL Spec Connector 8P SZ 12 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	20In Stock	CHF 67.52 CHF 56.57	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 8P SIZE 12 STRAIGHT PLUG PIN MS27484T12F8P Amphenol Aerospace 1: CHF 99.92 71In Stock 27Expected 11/11/2026	Mfr. Part No. MS27484T12F8P Mouser Part No 654-MS27484T12F8P	Amphenol Aerospace	Circular MIL Spec Connector 8P SIZE 12 STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	71In Stock 27Expected 11/11/2026	CHF 99.92 CHF 84.03 CHF 71.67 CHF 57.99 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE SKT MS27508E12F35S Amphenol Aerospace 1: CHF 63.98 90In Stock	Mfr. Part No. MS27508E12F35S Mouser Part No 654-MS27508E12F35S	Amphenol Aerospace	Circular MIL Spec Connector 22P 12 SIZE BOX MOUNT RECEPTACLE SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	90In Stock	CHF 63.98 CHF 53.92	Min.: 1 Mult.: 1
Circular MIL Spec Tools, Hardware & Accessories PLUG MS27488-22 Amphenol Aerospace 1: CHF 0.129 92’861In Stock 24’570Expected 11/4/2026	Mfr. Part No. MS27488-22 Mouser Part No 654-MS27488-22	Amphenol Aerospace	Circular MIL Spec Tools, Hardware & Accessories PLUG	Datasheet	92’861In Stock 24’570Expected 11/4/2026	CHF 0.129	Min.: 1 Mult.: 1
Circular MIL Spec Connector 13P SZ 10 PIN BOX MNT MS27508E10F35P Amphenol Aerospace 1: CHF 71.84 13In Stock	Mfr. Part No. MS27508E10F35P Mouser Part No 654-MS27508E10F35P	Amphenol Aerospace	Circular MIL Spec Connector 13P SZ 10 PIN BOX MNT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	13In Stock	CHF 71.84 CHF 71.74 CHF 70.14 CHF 61.21 View CHF 61.12 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 22P SZ 12 PIN BOX MNT MS27508E12B3P Amphenol Aerospace 1: CHF 54.06 6In Stock	Mfr. Part No. MS27508E12B3P Mouser Part No 654-MS27508E12B3P	Amphenol Aerospace	Circular MIL Spec Connector 22P SZ 12 PIN BOX MNT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	6In Stock	CHF 54.06 CHF 46.88 CHF 45.08 CHF 43.57 View CHF 41.17 CHF 39.97	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 37P SZ 14 PIN MS27508E14B35AA Amphenol Aerospace 1: CHF 58.44 26In Stock	Mfr. Part No. MS27508E14B35AA Mouser Part No 654-MS27508E14B35AA	Amphenol Aerospace	Circular MIL Spec Connector 37P SZ 14 PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	26In Stock	CHF 58.44 CHF 50.68 CHF 48.73 CHF 47.10 View CHF 44.50 CHF 43.21	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 22P SZ 12 RCPT PNL MNT PIN MS27474T12F35P Amphenol Aerospace 1: CHF 76.62 31In Stock	Mfr. Part No. MS27474T12F35P Mouser Part No 654-MS27474T12F35P	Amphenol Aerospace	Circular MIL Spec Connector 22P SZ 12 RCPT PNL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	31In Stock	CHF 76.62 CHF 69.66 CHF 66.98 CHF 64.90 View CHF 61.37 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 3P SZ 18 PIN MS27497T18F32P Amphenol Aerospace 1: CHF 69.05 92In Stock 1Expected 4/19/2027	Mfr. Part No. MS27497T18F32P Mouser Part No 654-MS27497T18F32P	Amphenol Aerospace	Circular MIL Spec Connector 3P SZ 18 PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	92In Stock 1Expected 4/19/2027	CHF 69.05 CHF 55.98 CHF 52.59	Min.: 1 Mult.: 1
Circular MIL Spec Connector 3P SZ 8 WALL MNT SOCKET MS27497T8F98S Amphenol Aerospace 1: CHF 48.50 33In Stock	Mfr. Part No. MS27497T8F98S Mouser Part No 654-MS27497T8F98S	Amphenol Aerospace	Circular MIL Spec Connector 3P SZ 8 WALL MNT SOCKET Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	33In Stock	CHF 48.50 CHF 44.65	Min.: 1 Mult.: 1
Circular MIL Spec Connector 21P FM SZ 22 SOC WALL MNT MS27497T22F21S Amphenol Aerospace 1: CHF 159.78 29In Stock	Mfr. Part No. MS27497T22F21S Mouser Part No 654-MS27497T22F21S	Amphenol Aerospace	Circular MIL Spec Connector 21P FM SZ 22 SOC WALL MNT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	29In Stock	CHF 159.78 CHF 155.32 CHF 154.77 CHF 74.08	Min.: 1 Mult.: 1
Circular MIL Spec Connector 41P 20 SIZE WALL MOUNT RECEPTACLE PIN MS27472T20B41P Amphenol Aerospace 1: CHF 75.26 22In Stock	Mfr. Part No. MS27472T20B41P Mouser Part No 654-MS27472T20B41P	Amphenol Aerospace	Circular MIL Spec Connector 41P 20 SIZE WALL MOUNT RECEPTACLE PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	22In Stock	CHF 75.26 CHF 68.63 CHF 65.99 CHF 63.80 View CHF 60.29 Quote	Min.: 1 Mult.: 1	No

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MIL-DTL-38999 Series II Circular Connectors

Types of Connectors