MIL-SPEC · Electronic Components
MS3121E14-19SN
Connector, Plug, Electrical
Part NumberMS3121E14-19SN
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-850-3505 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Contact Surface TreatmentGOLD AND COPPER SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material And LocationCONTACT SURFACE GOLD
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Contact Material Document And ClasMIL-G-45204,TY 2,GRADE C,CL 1 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-N-290,CL 2 FED SPEC 2ND MATERIAL RESPONSE SINGLE MA
Insert Position In Deg0.0
Shell MaterialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 380.0 OR ALUMINUM ALLOY A380.0
Test Data Document81349-MS3121 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Vendor Part NumbersMS3121E14-19S
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 MS3121E14-19SN available?
We can source MS3121E14-19SN 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 MS3121E14-19SN by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3121E14-19SN 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 MS3121E14-19SN?
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 MS3121E14-19SN?
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.