Crane Electronics · Electronic Components
77A0642-5
Heat Sink-Insulator
Part Number77A0642-5
ManufacturerCrane Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-357-5796 (NSN)
Federal Item NameHEAT SINK-INSULATOR
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height0.015 INCHES NOMINAL0.015 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Length2.250 INCHES NOMINAL2.250 INCHES NOMINAL
Overall Width0.750 INCHES NOMINAL0.750 INCHES NOMINAL
MaterialRUBBER SILICONE CLASS Q
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Vendor Part Numbers69-11-B998-1671
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 77A0642-5 available?
We can source 77A0642-5 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 77A0642-5 by Crane Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77A0642-5 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 77A0642-5?
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 77A0642-5?
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.