MIL-SPEC · Electronic Components
MS3120F22-21SW
Connector, Receptacle, Electrical
Part NumberMS3120F22-21SW
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-902-2939 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Shell Surface Treatment Document AQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES
Cable Entrance Diameter0.750 INCHES NOMINAL
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Operating Temp Rating-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF AND THERMAL SHOCK RESISTANT AND CORROSION RESISTANT
Overall Length2.824 INCHES MAXIMUM
Shell Material Document And ClassiQQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE
Shell Surface TreatmentCADMIUM AND CHROMATE
Contact Surface Treatment DocumentMIL-G-45204,TY 2,GRADE C,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CL 2 FED SPEC 2ND TREATMENT RESPONSE SINGLE
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
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 MS3120F22-21SW available?
We can source MS3120F22-21SW 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 MS3120F22-21SW by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3120F22-21SW 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 MS3120F22-21SW?
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 MS3120F22-21SW?
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.