Raytheon Company · Electronic Components
428673-1
Heat Sink, Electrical
Part Number428673-1
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-435-3782 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Diameter1.062 INCHES NOMINAL
Surface TreatmentANODIZE
Surface Treatment Document And ClaMIL-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM
Unthreaded Mounting Hole Diameter0.112 INCHES NOMINAL ALL MOUNTING FACILITIES
Overall Height0.375 INCHES NOMINAL
Vendor Part Numbers532220-3, 11150937, SM-C-773769-1, 247AS-C0541-001
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 428673-1 available?
We can source 428673-1 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 428673-1 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 428673-1 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 428673-1?
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 428673-1?
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.