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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
A3111040-001
Heat Sink, Electrical
Part NumberA3111040-001
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-395-2452 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST MOUNTING FACILITY
Nominal Thread Size0.112 INCHES FIRST MOUNTING FACILITY
MaterialALUMINUM ALLOY 6061
Overall Width0.150 INCHES NOMINAL
Surface Treatment Document And ClaMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit1 THREADED HOLE(S) FIRST MOUNTING FACILITY
Overall Height0.425 INCHES NOMINAL
Thread Class2B SECOND MOUNTING FACILITY
Material Document And ClassificatiQQ-A-250/11T-6 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentCHROMATE
Overall Length0.700 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 A3111040-001 available?
We can source A3111040-001 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 A3111040-001 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 A3111040-001 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 A3111040-001?
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 A3111040-001?
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.