Telephonics · Electronic Components
512923-1
Heat Sink, Electrical
Part Number512923-1
ManufacturerTelephonics
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-425-1828 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Surface TreatmentANODIZE
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
MaterialALUMINUM ALLOY
Unthreaded Mounting Hole Diameter0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM FIRST MOUNTING FACILITY
Body StyleBOARD MOUNTED
Overall Height0.375 INCHES NOMINAL
Overall Width1.983 INCHES MINIMUM AND 2.017 INCHES MAXIMUM
Overall Length2.250 INCHES NOMINAL
Vendor Part Numbers5061B
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 512923-1 available?
We can source 512923-1 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 512923-1 by Telephonics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 512923-1 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 512923-1?
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 512923-1?
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.