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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Connector Plug10 SZ 12 SOC MS27473T12B98SA Amphenol Aerospace 1: €57.89 9In Stock	Mfr. Part No. MS27473T12B98SA Mouser Part No 654-MS27473T12B98SA	Amphenol Aerospace	Circular MIL Spec Connector Plug10 SZ 12 SOC Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	9In Stock	€57.89 €50.20 €44.12	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN MS27473T12F35P Amphenol Aerospace 1: €115.43 18In Stock	Mfr. Part No. MS27473T12F35P Mouser Part No 654-MS27473T12F35P	Amphenol Aerospace	Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	18In Stock	€115.43 €98.80 €69.26 €66.57 €47.72	Min.: 1 Mult.: 1
Circular MIL Spec Connector 3P SZ 12 PLUG CBL MNT SKT MS27473T12F3S Amphenol Aerospace 1: €60.62 15In Stock 100Expected 20/11/2026	Mfr. Part No. MS27473T12F3S Mouser Part No 654-MS27473T12F3S	Amphenol Aerospace	Circular MIL Spec Connector 3P SZ 12 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	15In Stock 100Expected 20/11/2026	€60.62 €52.90 €48.72 €41.86 €41.63	Min.: 1 Mult.: 1
Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN MS27473T14B35P Amphenol Aerospace 1: €107.62 1In Stock	Mfr. Part No. MS27473T14B35P Mouser Part No 654-MS27473T14B35P	Amphenol Aerospace	Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	€107.62 €90.67 €82.71 €80.70 View €79.68 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector size 14 37 pin straight plug MS27473T14B35S Amphenol Aerospace 1: €100.92 5In Stock 100Expected 30/11/2026	Mfr. Part No. MS27473T14B35S Mouser Part No 654-MS27473T14B35S	Amphenol Aerospace	Circular MIL Spec Connector size 14 37 pin straight plug Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock 100Expected 30/11/2026	€100.92 €84.60 €74.87 €67.66 View €59.99 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN MS27473T14B37P Amphenol Aerospace 1: €68.08 2In Stock	Mfr. Part No. MS27473T14B37P Mouser Part No 654-MS27473T14B37P	Amphenol Aerospace	Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	2In Stock	€68.08 €59.42 €58.31 €57.73	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT MS27473T14F18S Amphenol Aerospace 1: €123.01 3In Stock	Mfr. Part No. MS27473T14F18S Mouser Part No 654-MS27473T14F18S	Amphenol Aerospace	Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	€123.01 €97.37 €90.27 €87.45	Min.: 1 Mult.: 1
Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT MS27473T16A35S Amphenol Aerospace 1: €177.31 3In Stock	Mfr. Part No. MS27473T16A35S Mouser Part No 654-MS27473T16A35S	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	3In Stock	€177.31 €111.58 €107.14 €79.53 €74.88	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT MS27473T16F35S Amphenol Aerospace 1: €153.22 1In Stock	Mfr. Part No. MS27473T16F35S Mouser Part No 654-MS27473T16F35S	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	1In Stock	€153.22 €91.80 €84.86 €79.64 View €78.28 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 55P Sz 16 Crimp Strt Cable Mount Plug MS27473T16F55S Amphenol Aerospace 1: €162.94 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 Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock	€162.94 €106.40 €106.39 €92.15	Min.: 1 Mult.: 1
Circular MIL Spec Connector 11P SZ 18 PLUG CBL MNT PIN MS27473T18B11P Amphenol Aerospace 1: €60.76 1In Stock	Mfr. Part No. MS27473T18B11P Mouser Part No 654-MS27473T18B11P	Amphenol Aerospace	Circular MIL Spec Connector 11P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	€60.76 €59.08 €58.49 €54.81	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT MS27473T18B32SA Amphenol Aerospace 1: €87.03 7In Stock 100On Order	Mfr. Part No. MS27473T18B32SA Mouser Part No 654-MS27473T18B32SA	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	7In Stock 100On Order	€87.03 €79.37 €76.32 €73.77 View €69.71 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN MS27473T18B35PB Amphenol Aerospace 1: €88.03 45In Stock	Mfr. Part No. MS27473T18B35PB Mouser Part No 654-MS27473T18B35PB	Amphenol Aerospace	Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	45In Stock	€88.03 €80.28 €77.19 €74.61 View €70.50 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN MS27473T18F35P Amphenol Aerospace 1: €87.11 5In Stock	Mfr. Part No. MS27473T18F35P Mouser Part No 654-MS27473T18F35P	Amphenol Aerospace	Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock	€87.11 €78.33 €77.75	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 53P SZ 18 PLUG CBL MNT PIN MS27473T18F53P Amphenol Aerospace 1: €215.89 3In Stock	Mfr. Part No. MS27473T18F53P Mouser Part No 654-MS27473T18F53P	Amphenol Aerospace	Circular MIL Spec Connector 53P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	€215.89 €168.31	Min.: 1 Mult.: 1
Circular MIL Spec Connector 128P SZ 24 PLUG CBL MNT SKT MS27473T24B35S Amphenol Aerospace 1: €144.36 8In Stock	Mfr. Part No. MS27473T24B35S Mouser Part No 654-MS27473T24B35S	Amphenol Aerospace	Circular MIL Spec Connector 128P SZ 24 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	8In Stock	€144.36 €142.21 €133.31 €131.91	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN MS27473T8A35P Amphenol Aerospace 1: €76.98 6In Stock	Mfr. Part No. MS27473T8A35P Mouser Part No 654-MS27473T8A35P	Amphenol Aerospace	Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	6In Stock	€76.98 €63.49 €49.61	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN MS27473T8F35P Amphenol Aerospace 1: €89.84 23In Stock 100Expected 21/01/2027	Mfr. Part No. MS27473T8F35P Mouser Part No 654-MS27473T8F35P	Amphenol Aerospace	Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	23In Stock 100Expected 21/01/2027	€89.84 €58.08 €55.10 €43.67 View €43.22 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector RECPT 37P SZ 14 PIN MS27474E14B35P Amphenol Aerospace 1: €100.90 15In Stock	Mfr. Part No. MS27474E14B35P Mouser Part No 654-MS27474E14B35P	Amphenol Aerospace	Circular MIL Spec Connector RECPT 37P SZ 14 PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	15In Stock	€100.90 €73.01	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 79P SZ 20 RCPT PNL MNT SKT MS27474T20F35S Amphenol Aerospace 1: €146.17 3In Stock	Mfr. Part No. MS27474T20F35S Mouser Part No 654-MS27474T20F35S	Amphenol Aerospace	Circular MIL Spec Connector 79P SZ 20 RCPT PNL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	€146.17 €117.35 €113.68 €111.31 €110.71	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN MS27474T8B35P Amphenol Aerospace 1: €99.96 1In Stock	Mfr. Part No. MS27474T8B35P Mouser Part No 654-MS27474T8B35P	Amphenol Aerospace	Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	€99.96 €88.65 €57.53 €57.16	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 5P SZ 10 PLUG CBL MNT SKT MS27484T10B5S Amphenol Aerospace 1: €74.36 3In Stock	Mfr. Part No. MS27484T10B5S Mouser Part No 654-MS27484T10B5S	Amphenol Aerospace	Circular MIL Spec Connector 5P SZ 10 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	€74.36 €66.81 €54.55	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 22P SZ 12 PLUG CBL MNT SKT MS27484T12B35S Amphenol Aerospace 1: €178.53 3In Stock	Mfr. Part No. MS27484T12B35S Mouser Part No 654-MS27484T12B35S	Amphenol Aerospace	Circular MIL Spec Connector 22P SZ 12 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	€178.53 €117.70 €103.59 €80.79 View €79.62 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 10P PLUG PIN MS27484T12B98P Amphenol Aerospace 1: €76.31 5In Stock	Mfr. Part No. MS27484T12B98P Mouser Part No 654-MS27484T12B98P	Amphenol Aerospace	Circular MIL Spec Connector 10P PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock	€76.31 €60.85 €59.43 €58.19 €57.42	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN MS27484T12F35P Amphenol Aerospace 1: €140.28 5In Stock 100Expected 15/12/2026	Mfr. Part No. MS27484T12F35P Mouser Part No 654-MS27484T12F35P	Amphenol Aerospace	Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock 100Expected 15/12/2026	€140.28 €122.10 €118.95 €106.45 View €105.46 Quote	Min.: 1 Mult.: 1

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MIL-DTL-38999 Series II Circular Connectors

Types of Connectors