MIL-SPEC · Electronic Components
MS3120E20-39SW
Connector, Receptacle, Electrical
Part NumberMS3120E20-39SW
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-997-9436 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL
Distance Between Centerlines Of Mo1.156 INCHES NOMINAL
Overall Width1.453 INCHES NOMINAL
Overall Height1.453 INCHES NOMINAL
Contact Surface TreatmentGOLD AND COPPER SINGLE MATING END ALL CONTACT GROUPINGS
Contact Maximum Ac Voltage Rating600.0 SINGLE MATING END ALL CONTACT GROUPINGS
Contact Position Arrangement Style20-39 SINGLE MATING END
Precious Material And Weight0.037 GOLD GRAINS, TROY
Shell TypeSOLID
Precious Material And LocationCONTACT SURFACES GOLD
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 MS3120E20-39SW available?
We can source MS3120E20-39SW 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 MS3120E20-39SW by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3120E20-39SW 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 MS3120E20-39SW?
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 MS3120E20-39SW?
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.