Winchester Interconnect · Electronic Components
WW4-20SS
Connector, Receptacle, Electrical
Part NumberWW4-20SS
ManufacturerWinchester Interconnect
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-491-2134 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Body StyleRECTANGULAR SHAPE
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Material Document And ClasQQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Insert Material Document And ClassMIL-M-14,TY SDG-F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Contact Surface Treatment DocumentMIL-G-45204,TY 2,GR C,CL 1 FED SPEC 3RD TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE AND MIL-C-1455
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD AND NICKEL AND COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Vendor Part NumbersW4-20SA, 413044-2, JF2S2S45, SM-C-773505-7
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 WW4-20SS available?
We can source WW4-20SS even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is WW4-20SS by Winchester Interconnect obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WW4-20SS 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 WW4-20SS?
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 WW4-20SS?
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.