Raytheon Company · Electronic Components
439077-1
Heat Sink, Electrical
Part Number439077-1
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-043-6496 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Surface Treatment Document And ClaMIL-A-8625,TYPE II,CLASS 2,DYED BLACK MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Surface TreatmentANODIZE
Unthreaded Mounting Hole Diameter0.208 INCHES MINIMUM AND 0.218 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Overall Length4.360 INCHES MINIMUM AND 4.400 INCHES MAXIMUM
Body StyleEXTRUDED
Overall Height0.750 INCHES NOMINAL
Overall Width2.640 INCHES MINIMUM AND 2.680 INCHES MAXIMUM
ESD/EMICode B — 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 439077-1 available?
We can source 439077-1 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 439077-1 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 439077-1 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 439077-1?
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 439077-1?
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.