MIL-SPEC · Electronic Components
NAS4118F08D
Heat Sink, Electrical
Part NumberNAS4118F08D
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-372-4067 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Test Data Document81349-MIL-H-87111/2 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE
Overall Width0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
Accommodated Device Mounting Hole1
Surface Treatment Document And ClaMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
MaterialCOPPER ALLOY
Material Document And ClassificatiQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentOXIDE
Body StyleTHERMAL LINK
Overall Height0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
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 NAS4118F08D available?
We can source NAS4118F08D 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 NAS4118F08D by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NAS4118F08D 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 NAS4118F08D?
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 NAS4118F08D?
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.