Technical Services Laboratory · Electronic Components
AB-283-1
Switch, Rotary
Part NumberAB-283-1
ManufacturerTechnical Services Laboratory
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-014-6536 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Precious MaterialSILVER
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Precious Material And LocationCONTACT SURFACES SILVER
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY
Overall Height1.000 INCHES NOMINAL
Switch Actuator Indexing Position6 SINGLE ACTUATOR
Overall Length2.441 INCHES NOMINAL
Nonturn Device Radius0.375 INCHES NOMINAL AT 3:00 OCLOCK
Vendor Part Numbers270578-A4
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 AB-283-1 available?
We can source AB-283-1 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 AB-283-1 by Technical Services Laboratory obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AB-283-1 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 AB-283-1?
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 AB-283-1?
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.