Technical Services Laboratory · Electronic Components
A901
Switch, Rotary
Part NumberA901
ManufacturerTechnical Services Laboratory
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-409-1639 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Shaft TypeROUND SINGLE ACTUATOR
Nonturn Device TypePIN AT 12:00 OCLOCK
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
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 A901 available?
We can source A901 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 A901 by Technical Services Laboratory obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A901 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 A901?
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 A901?
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.