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William Spencer  · Electronic Components

A53213

Switch, Thermostatic

Part NumberA53213
ManufacturerWilliam Spencer
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Style DesignatorCYLINDRICAL
Vendor Part NumbersA21830
Cancelled NSN4120-00-110-8950 (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 A53213 available?
We can source A53213 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 A53213 by William Spencer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A53213 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 A53213?
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 A53213?
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.