Raytheon · Electronic Components
474656-4
Heat Sink, Electrical
Part Number474656-4
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-710-4126 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Material Document And ClassificatiQQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM
Overall Width4.600 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.136 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Length6.740 INCHES NOMINAL
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 474656-4 available?
We can source 474656-4 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 474656-4 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 474656-4 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 474656-4?
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 474656-4?
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.