L3Harris Technologies, Inc. · Electronic Components
103539
Heat Sink, Electrical
Part Number103539
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-160-1927 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Length1.500 INCHES NOMINAL
Surface TreatmentCHROMATE
MaterialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6063
Unthreaded Mounting Hole Diameter0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Height0.188 INCHES NOMINAL
Material Document And ClassificatiQQ-A-327 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-274 FED SPEC 2ND MATERIAL RESPONSE
Overall Width0.375 INCHES NOMINAL
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 103539 available?
We can source 103539 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 103539 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 103539 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 103539?
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 103539?
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.