Raytheon · Electronic Components
516558-2
Heat Sink, Electrical
Part Number516558-2
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-396-6912 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Unthreaded Mounting Hole Diameter0.099 INCHES NOMINAL ALL MOUNTING FACILITIES
Body StyleRECTANGULAR
Overall Height0.125 INCHES NOMINAL
MaterialALUMINUM ALLOY 6061
Overall Length3.550 INCHES NOMINAL
Overall Width1.750 INCHES NOMINAL
Mounting Facility Type And Quantit5 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
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 516558-2 available?
We can source 516558-2 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 516558-2 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 516558-2 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 516558-2?
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 516558-2?
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.