Wakefield · Electronic Components
401F
Heat Sink, Electrical
Part Number401F
ManufacturerWakefield
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-101-2262 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting Slot Length0.270 INCHES NOMINAL ALL MOUNTING FACILITIES
Surface Treatment Document And ClaMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit3 SLOT ALL MOUNTING FACILITIES
Overall Height1.250 INCHES NOMINAL
Overall Width1.500 INCHES NOMINAL
Overall Length4.375 INCHES NOMINAL
Material Document And ClassificatiQQ-A-200,T5 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 401F available?
We can source 401F 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 401F by Wakefield obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 401F 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 401F?
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 401F?
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.