L3Harris Technologies, Inc. · Electronic Components
253396-1
Heat Sink-Insulator
Part Number253396-1
ManufacturerL3Harris Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-394-7171 (NSN)
Federal Item NameHEAT SINK-INSULATOR
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Length2.100 INCHES NOMINAL2.100 INCHES NOMINAL
Accommodated Device Mounting Hole1
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.265 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height0.015 MILLIMETERS NOMINAL0.015 MILLIMETERS NOMINAL
MaterialRUBBER SILICONE CLASS Q
Material Document And ClassificatiSIL-PAD 2000 MFR REF SINGLE MATERIAL RESPONSE
Body StyleBOARD MOUNTEDBOARD MOUNTED
Overall Width1.600 INCHES NOMINAL1.600 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 253396-1 available?
We can source 253396-1 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 253396-1 by L3Harris Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 253396-1 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 253396-1?
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 253396-1?
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.