Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · Electronic Components
22645
Heat Sink, Electrical
Part Number22645
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-241-7323 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL FIRST MOUNTING FACILITY
Mounting Facility Type And Quantit4 THREADED HOLE(S) SECOND MOUNTING FACILITY
MaterialALUMINUM
Surface Treatment Document And ClaMIL-A-8625,TY 3 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE
Overall Length1.560 INCHES NOMINAL
Nominal Thread Size0.112 INCHES SECOND MOUNTING FACILITY
Thread Class2B SECOND MOUNTING FACILITY
Surface TreatmentANODIZE
Overall Width0.920 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY
Overall Height0.250 INCHES NOMINAL
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 22645 available?
We can source 22645 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 22645 by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 22645 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 22645?
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 22645?
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.