Lockheed Martin Corporation · Electronic Components
6121239-3
Connector, Receptacle, Electrical
Part Number6121239-3
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-179-0262 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Terminal LocationBACK SINGLE MATING END FIRST CONTACT GROUPING
Shell MaterialMETAL
Contact Surface Treatment DocumentMIL-G-45204 TY II,GRADE C,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END FIRST CONTACT GROUPING
Environmental ProtectionCORROSION RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
Overall Width0.620 INCHES MAXIMUM
Distance Between Mounting Facility2.406 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
Overall Length2.650 INCHES MAXIMUM
Overall Height0.691 INCHES MAXIMUM
Precious MaterialGOLD
Included Contact TypeROUND PIN SINGLE MATING END FIRST CONTACT GROUPING
Vendor Part NumbersDDM53515-936
ESD/EMICode A — ESD/EMI sensitive item
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 6121239-3 available?
We can source 6121239-3 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 6121239-3 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 6121239-3 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 6121239-3?
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 6121239-3?
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.