HDT Expeditionary Systems · Electronic Components
168557
Switch, Thermostatic
Part Number168557
ManufacturerHDT Expeditionary Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-350-9493 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE
Contact Action StimulusINCREASE
Thread Quantity Per Inch32 ALL THREADED HOLE
Overall Height3.062 INCHES NOMINAL
Mounting MethodTHREADED HOLE(S)
Overall Width0.875 INCHES NOMINAL
Style DesignatorRECTANGULAR
Media For Which DesignedGAS OR LIQUID
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Nominal Thread Size0.138 INCHES ALL THREADED HOLE
Vendor Part NumbersA-10 1127
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 168557 available?
We can source 168557 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 168557 by HDT Expeditionary Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 168557 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 168557?
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 168557?
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.