MIL-SPEC · Electronic Components
NAS4117C51
Heat Sink-Insulator
Part NumberNAS4117C51
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-395-2474 (NSN)
Federal Item NameHEAT SINK-INSULATOR
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Height1.110 INCHES NOMINAL1.110 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.062 INCHES NOMINAL SINGLE MOUNTING FACILITY
Body StyleBOARD MOUNTEDBOARD MOUNTED
Overall Length1.593 INCHES NOMINAL1.593 INCHES NOMINAL
MaterialRUBBER SILICONE CLASS Q
Operating Power Dissipating Rating0.6
Overall Width0.004 INCHES NOMINAL0.004 INCHES NOMINAL
Cancelled NSN5999-01-390-4033 (cancelled)
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 NAS4117C51 available?
We can source NAS4117C51 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 NAS4117C51 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NAS4117C51 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 NAS4117C51?
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 NAS4117C51?
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.