Winchester Interconnect Corporation · Electronic Components
MAR20SG
Connector, Receptacle, Electrical
Part NumberMAR20SG
ManufacturerWinchester Interconnect Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-966-4312 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Overall Width0.438 INCHES NOMINAL
Contact Maximum Current Rating In13.0 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Length0.266 INCHES
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Precious Material And LocationCONTACT SURFACES GOLD
Polarization MethodGUIDE PIN/SOCKET
Contact Position Arrangement Style20 20-20 SINGLE MATING END
Distance Between Mounting Facility1.250 INCHES NOMINAL
Overall Length1.562 INCHES NOMINAL
Cancelled NSN5935-00-341-2888 (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 MAR20SG available?
We can source MAR20SG 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 MAR20SG by Winchester Interconnect Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MAR20SG 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 MAR20SG?
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 MAR20SG?
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.