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Durable connector solutions featuring Amphenol M39029/56-348 for aerospace and military applications

Description : Circular Connector Contacts RoHS

Mfr. Part # : M39029/56-348

Model Number : M39029/56-348

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Product Overview

Amphenol Aerospace offers a range of MIL-DTL-38999 Series I, II, and III connectors, including LJT, JT, TV, HD, and SJT variants. These connectors are designed for robust performance in demanding environments and are available with various contact types such as standard, power, coax, and twinax. The product line also includes accessories like Aquacon, Herm/Seal, and Fiber Optics, as well as backshells and EMI filters. Amphenol Aerospace provides detailed contact ratings, service ratings, and well data for crimp and solder contacts to ensure precise application in aerospace and other high-reliability industries.

Product Attributes

Brand: Amphenol Aerospace
Series: MIL-DTL-38999 Series I, II, III
Connector Types: LJT, JT, TV, HD, SJT, Dualok III SJT
Product Categories: Connectors, Cables, Contacts, Accessories, Back-Shells, Options, EMI Filter, Transient
Certifications: MIL-DTL-38999
Contact Finishes: Gold plating over suitable underplate (standard)

Technical Specifications

Contact Ratings / Service Ratings

Service Rating	Suggested Oper. Voltage (Sea Level) AC (RMS)	Suggested Oper. Voltage (Sea Level) DC	Test Voltage (Sea Level) AC (RMS)	Test Voltage 50,000 Ft. AC (RMS)	Test Voltage 70,000 Ft AC (RMS)	Test Voltage 110,000 Ft. AC (RMS)
M	400	500	1300	550	350	200
N	300	450	1000	400	260	200
I	600	850	1800	600	400	200
II	900	1250	2300	800	500	200

Contact Size Test Current & Millivolt Drop

Contact Size	Test Current (Amps)	Maximum Millivolt Drop Crimp*	Maximum Millivolt Drop Crimp Hermetic Solder*	Maximum Millivolt Drop Hermetic*
23	5	3	73	20
22M	3	2	45	20
22D	5	3	73	20
22	5	3	73	20
20	7.5	5	55	20
16	13	10	49	20
12	23	17	42	20
10 (Power)	33	NA	33	NA
8 (Power)	46	NA	26	NA
4	80	NA	23	NA
0	150	NA	21	NA

Contact Size Well Data

Contact Size	Crimp Well Diameter	Crimp Well Depth	Solder Well Diameter	Solder Well Nominal Depth
23	.0345 .0010	.141	.0345 .0010	.130
22M	.028 .001	.141	.029 +.004 .000
22D	.0345 .0010	.141	.036 +.004 -.000	.094
22	.0365 .0010	.141	.036 +.004 -.000	.094
20	.047 .001	.209	.044 +.004 -.004	.125
16	.067 .001	.209	.078 +.000 -.004	.141
12	.100 .002	.209	.116 +.004 -.002	.141
10 (Power)	.137 .002	.355	NA	NA
8 (Power)	.181 .002	.490	NA	NA
4	.281 .002	.490	NA	NA
0	.453 .002	.585	NA	NA

MIL-DTL-38999 Series II JT / Series I LJT/SJT CRIMP CONTACTS

Contact Size	JT/LJT/SJT Pins MS No.	JT Socket MS No.	LJT/SJT Sockets MS No.
8 (Coax)*	M39029/60-367	NA	M39029/59-366
8 (Twinax)	M39029/90-529**	NA	M39029/91-530
10 (Power)	M39029/58-528	NA	M39029/56-527
12	M39029/58-365	M39029/57-359	M39029/56-353
16	M39029/58-364	M39029/57-358	M39029/56-352

MIL-DTL-38999 Series III STANDARD 500 CYCLE CONTACTS FOR TV AND CTV, P & S

MIL-DTL-38999 Series III 1500 CYCLE CONTACTS FOR CTV, CLASSES H & J

Contact Size	CTV Pins Commercial No.	CTV Pins Military No.	CTV Sockets Commercial No.	CTV Sockets Military No.
12	10-597072-2X	M39029/107-623	10-597073-2X	M39029/106-617
16	10-597068-2X	M39029/107-622	10-597069-2X	M39029/106-616
20	10-597064-2X	M39029/107-621	10-597065-2X	M39029/106-615
22D	10-597058-3X	M39029/107-620	10-597061-2X	M39029/106-614

Contact Size	TV/CTV Pins Military No.	TV/CTV Pins Supersedes	TV/CTV Sockets Military No.	TV/CTV Sockets Supersedes
8 (Coax)*	M39029/60-367	MS27536	M39029/59-366	MS27535
8 (Power)	Contact Factory
8 (Twinax)	M39029/90-529**	N/A	M39029/91-530	N/A
10 (Power)	M39029/58-528	N/A	M39029/56-527	N/A
12	M39029/58-365	MS27493-12	M39029/56-353	MS27490-12
16	M39029/58-364	MS27493-16	M39029/56-352	MS27490-16
20	M39029/58-363	MS27493-20	M39029/56-351	MS27490-20
22D	M39029/58-360	MS27493-22D	M39029/56-348	MS27490-22D
4	N/A	N/A	N/A	N/A
0	N/A	N/A	N/A	N/A

MIL-DTL-38999 Series III SEALING PLUGS

Contact Size	Commercial No.	Military No.
8 (Coax)	10-482099-8	N/A
8 (Twinax)	T3-4008-59P	N/A
8 (Power)	10-405996-83	MS27488-8-3
10 (Power)	T3-4010-59P	M85049/81-10
12	10-405996-122	MS27488-12-2
16	10-405996-162	MS27488-16-2
20	10-405996-202	MS27488-20-2
22D	10-405996-222	MS27488-22-2
4	10-405996-43	MS27488-4-3
0	10-405996-03	MS27488-0-3

MIL-DTL-38999 Series III JT/LJT Contacts

Contact Size	JT/LJT Pins MS No.	JT Socket MS No.	LJT/SJT Sockets MS No.
20	M39029/58-363	M39029/57-357	M39029/56-351
22	M39029/58-362	M39029/57-356	M39029/56-350
22M	M39029/58-361	M39029/57-355	M39029/56-349
22D	M39029/58-360	M39029/57-354	M39029/56-348

2410121737_Amphenol-M39029-56-348_C25105069.pdf

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