MIL-SPEC · Electronic Components
MS3102A20-21S
Connector, Receptacle, Electrical
Part NumberMS3102A20-21S
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-280-2075 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Contact Maximum Current Rating In41.0 SINGLE MATING END FIRST CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Nominal Thread Size1.250 INCHES
Overall Length1.980 INCHES MAXIMUM
Threaded Device TypeCOUPLING FACILITY
Terminal LocationBACK SINGLE MATING END ALL CONTACT GROUPINGS
Mating End Quantity1
Thread Class2A
Included Contact Quantity1 SINGLE MATING END FIRST CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Connector Locking MethodEXTERNALLY THREADED SHELL
Cancelled NSN5935-00-501-8299 (cancelled)
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 MS3102A20-21S available?
We can source MS3102A20-21S 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 MS3102A20-21S by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3102A20-21S 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 MS3102A20-21S?
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 MS3102A20-21S?
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.