L3Harris Technologies, Inc. · Electronic Components
452365-1
Heat Sink, Electrical
Part Number452365-1
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-411-4524 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Surface Treatment Document And ClaMIL-C-26074, CL 1, GR B MIL SPEC SINGLE TREATMENT RESPONSE
Overall Width0.250 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.139 INCHES MINIMUM AND 0.144 INCHES MAXIMUM FIRST MOUNTING FACILITY
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) FOURTH MOUNTING FACILITY
Material Document And ClassificatiQQ-C-576 1/2 HD FED SPEC SINGLE MATERIAL RESPONSE
MaterialCOPPER ALLOY
Surface TreatmentNICKEL
Overall Height6.630 INCHES NOMINAL
Body StyleRECTANGULAR
Overall Length11.500 INCHES NOMINAL
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 452365-1 available?
We can source 452365-1 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 452365-1 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 452365-1 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 452365-1?
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 452365-1?
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.