Electro Switch Corp. · Electronic Components
257557F4
Switch, Rotary
Part Number257557F4
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-238-0180 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionMAKES BEFORE BREAKS FOURTH SECTION REAR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts110.0 AC AT SEA LEVEL
Shaft Length1.625 INCHES NOMINAL SINGLE ACTUATOR
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Throw Quantity5 SECOND SECTION REAR
Overall Length4.466 INCHES NOMINAL
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 257557F4 available?
We can source 257557F4 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 257557F4 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257557F4 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 257557F4?
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 257557F4?
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.