Lockheed Martin · Electronic Components
77C708431
Heat Sink, Electrical
Part Number77C708431
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-938-1934 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Surface Treatment Document And ClaMIL-A-8625,TYPE II,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentANODIZE
Body StyleHORIZONTALLY MOUNTED
Overall Width1.720 INCHES NOMINAL
Material Document And ClassificatiQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
Overall Length12.000 INCHES NOMINAL
MaterialALUMINUM ALLOY 5052
Vendor Part Numbers77C708431P002, 77C708431-2
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 77C708431 available?
We can source 77C708431 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 77C708431 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77C708431 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 77C708431?
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 77C708431?
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.