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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-413951
Heat Sink, Electrical
Part NumberSM-C-413951
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-884-2458 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Accommodated Device Mounting HoleTWO HOLE - 0.750 INCH
Material Document And ClassificatiQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE
Overall Diameter1.625 INCHES NOMINAL
Overall Width0.906 INCHES MINIMUM AND 0.911 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL MOUNTING FACILITIES
Mounting Facility Type And Quantit2 THREADED HOLE(S) ALL MOUNTING FACILITIES
Thread Class2B ALL MOUNTING FACILITIES
MaterialCOPPER
Overall Height0.750 INCHES NOMINAL
Nominal Thread Size0.265 INCHES ALL MOUNTING FACILITIES
Criticality Code JustificationFEAT
Vendor Part Numbers802107
ESD/EMICode B — 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 SM-C-413951 available?
We can source SM-C-413951 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 SM-C-413951 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-C-413951 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 SM-C-413951?
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 SM-C-413951?
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.