Electro Switch Corp. · Electronic Components
P42A
Switch, Rotary
Part NumberP42A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-111-4996 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Overall Height2.141 INCHES NOMINAL
Mounting Facility Circle Radius0.821 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Contact Load Current Rating20.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCUIT SELECTOR
Terminal TypeTAB W/SCREW
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Vendor Part Numbers101904LQ
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 P42A available?
We can source P42A 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 P42A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P42A 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 P42A?
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 P42A?
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.