MIL-SPEC · Connectors > Circular MIL
MS3476W20-39S
MIL-C-26482 Series 2 circular connector, plug, shell 20, insert 39, socket contacts
Part NumberMS3476W20-39S
ManufacturerMIL-SPEC
AvailabilityIn stock — ships fast
Specifications
NSN5935-01-076-9463 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END ALL CONTACT GROUPINGS
Overall Length1.420 INCHES MAXIMUM
Overall Diameter1.531 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Precious MaterialGOLD
Precious Material LocationCONTACT SURFACES GOLD
Special FeaturesIN ORDER TO COMPLETE THE CONNECTOR ASSEMBLY,THE USER MUST OBTAIN/PROVIDE THE BACKSHELL. STANDARD VERSIONS MAY BE ORDERED
Nominal Thread Size1.187 INCHES
Contact Arrangement20-39 SINGLE MATING END
Included Contact Quantity2 SINGLE MATING END FIRST CONTACT GROUPING; 37 SINGLE MATING END SECOND CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Precious Material And Weight0.039 GOLD GRAINS, TROY
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Contact Surface Treatment DocumentQQ-N-290,GRADE E FED SPEC 1ST TREATMENT RESPONSE AND MIL-G-45204,TY 1,CL 1,GRADE C MIL SPEC 2ND TREATMENT RESPONSE SING
Insert Position In Deg0.0
Contact Position Arrangement Style20-39 SINGLE MATING END
Precious Material And LocationCONTACT SURFACES GOLD
Thread Quantity Per Inch18
Cancelled NSN5935-00-480-5499 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is MS3476W20-39S in stock?
Yes — MS3476W20-39S is in our stock database. Request a quote for current pricing and lead time.
Is MS3476W20-39S by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3476W20-39S has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like MS3476W20-39S?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for MS3476W20-39S?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.