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Aimtron Systems, LLC  · Electronic Components

509843

Heat Sink, Electrical

Part Number509843
ManufacturerAimtron Systems, LLC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Length0.440 INCHES NOMINAL
MaterialCOPPER ALLOY
Material Document And ClassificatiMIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Height0.187 INCHES NOMINAL
Overall Width0.250 INCHES NOMINAL
Surface TreatmentCADMIUM
Cancelled NSN5940-00-139-5229 (cancelled)
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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

Frequently asked

Is 509843 available?
We can source 509843 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 509843 by Aimtron Systems, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 509843 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 509843?
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 509843?
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.