Naval Air Warfare Center Aircraft Division, Lakehurst · Electronic Components
422976-1
Heat Sink, Electrical
Part Number422976-1
ManufacturerNaval Air Warfare Center Aircraft Division, Lakehurst
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-289-2114 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Width1.135 INCHES MINIMUM AND 1.265 INCHES MAXIMUM
Unthreaded Mounting Hole Diameter0.195 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Length1.976 INCHES MINIMUM AND 2.024 INCHES MAXIMUM
Overall Height0.544 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
Surface Treatment Document And ClaMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document And ClassificatiQQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY 6063
Surface TreatmentANODIZE
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 422976-1 available?
We can source 422976-1 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 422976-1 by Naval Air Warfare Center Aircraft Division, Lakehurst obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 422976-1 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 422976-1?
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 422976-1?
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.