MIL-SPEC · Electronic Components
MS3121E12-10P
Connector, Plug, Electrical
Part NumberMS3121E12-10P
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-251-1397 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity10 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodKEY, MULTIPLE KEY GROOVE
Connector Locking MethodBAYONET PIN
Shell Surface TreatmentCADMIUM
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Precious Material And Weight0.010 GOLD GRAINS, TROY
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 MS3121E12-10P available?
We can source MS3121E12-10P 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 MS3121E12-10P by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3121E12-10P 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 MS3121E12-10P?
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 MS3121E12-10P?
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.