Electro Switch Corp. · Electronic Components
43557H
Switch Section, Rotary
Part Number43557H
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-636-2597 (NSN)
Federal Item NameSWITCH SECTION,ROTARY
Federal Supply Class5930 — Switches
Overall Height1.875 INCHES NOMINAL
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION FRONT
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Pole Quantity1 SINGLE SECTION REAR
Mounting Facility PatternTWO POSITION IN-LINE SECOND MOUNTING FACILITY
Throw Quantity1 SINGLE SECTION REAR
Mounting MethodUNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Style DesignatorSWITCH SECTION, ROTARY
Precious Material And LocationTERMINALS AND ROTOR BLADE SILVER
Unthreaded Mounting Hole Diameter0.130 INCHES NOMINAL SECOND MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Vendor Part Numbers143557H
Cancelled NSN5930-00-369-8606 (cancelled)
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 43557H available?
We can source 43557H 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 43557H by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 43557H 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 43557H?
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 43557H?
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.