Lockheed Martin Corporation · Electronic Components
77C718793
Heat Sink, Electrical
Part Number77C718793
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-310-3125 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height0.250 INCHES NOMINAL
Surface TreatmentANODIZE
Unthreaded Mounting Hole Diameter0.177 INCHES NOMINAL SECOND MOUNTING FACILITY
Overall Length1.810 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY
Surface Treatment Document And ClaMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY
Overall Width1.810 INCHES NOMINAL
Material Document And ClassificatiQQ-P-200,T-6 FED SPEC SINGLE MATERIAL RESPONSE
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 77C718793 available?
We can source 77C718793 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 77C718793 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77C718793 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 77C718793?
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 77C718793?
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.