Lockheed Martin Corporation · Electronic Components
4953-1
Switch, Rotary
Part Number4953-1
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-493-5297 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION REAR
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Thread Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating In Volts115.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD AND 50.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Shaft TypeROUND SINGLE ACTUATOR
Pole Quantity1 EACH SECTION REAR
Vendor Part Numbers264532-F2F
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 4953-1 available?
We can source 4953-1 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 4953-1 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4953-1 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 4953-1?
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 4953-1?
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.