Thales UK · Electronic Components
A1A253
Switch, Rotary
Part NumberA1A253
ManufacturerThales UK
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-289-4638 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm36.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Pole Quantity1 SINGLE SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Precious MaterialSILVER
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Vendor Part Numbers24001-04N
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 A1A253 available?
We can source A1A253 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 A1A253 by Thales UK obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A1A253 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 A1A253?
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 A1A253?
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.