US Army Aviation and Missile Command · Electronic Components
11438173-4
Heat Sink, Electrical
Part Number11438173-4
ManufacturerUS Army Aviation and Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-465-3248 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Material Document And ClassificatiQQ-A-200/8 FED SPEC ALL MATERIAL RESPONSES
Surface TreatmentCHROMATE
Overall Length4.740 INCHES NOMINAL
Body StyleEXTRUDED
Mounting Slot Length0.190 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 SLOT SINGLE MOUNTING FACILITY
Surface Treatment Document And ClaMIL-C-5541, CLASS 3 MIL SPEC ALL TREATMENT RESPONSES
Overall Width3.000 INCHES NOMINAL
MaterialALUMINUM ALLOY 6061
Overall Height1.560 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 11438173-4 available?
We can source 11438173-4 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 11438173-4 by US Army Aviation and Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 11438173-4 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 11438173-4?
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 11438173-4?
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.