Linear & Metric · Electronic Components
333521-000
Heat Sink-Insulator
Part Number333521-000
ManufacturerLinear & Metric
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-364-5209 (NSN)
Federal Item NameHEAT SINK-INSULATOR
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting Facility Type And Quantit1 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Height0.312 INCHES NOMINAL
MaterialCOPPER
Overall Length0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
Surface Treatment Document And ClaMIL-T-10727,TYPE I MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentTIN
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Material Document And ClassificatiQQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Width0.585 INCHES MINIMUM AND 0.605 INCHES MAXIMUM
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 333521-000 available?
We can source 333521-000 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 333521-000 by Linear & Metric obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 333521-000 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 333521-000?
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 333521-000?
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.