Lockheed Martin Corp. Electronics And Missiles Div · Electronic Components
240262-1
Heat Sink, Electrical
Part Number240262-1
ManufacturerLockheed Martin Corp. Electronics And Missiles Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-188-2640 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Surface Treatment Document And ClaQQ-N-290,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.200 INCHES NOMINAL SECOND MOUNTING FACILITY
Overall Width1.050 INCHES NOMINAL
Surface TreatmentNICKEL
Overall Length1.563 INCHES NOMINAL
MaterialCOPPER
Material Document And ClassificatiQQ-C-576 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 240262-1 available?
We can source 240262-1 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 240262-1 by Lockheed Martin Corp. Electronics And Missiles Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 240262-1 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 240262-1?
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 240262-1?
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.