Carling Technologies · Electronic Components
172
SWITCH PB SPST OFF-MOM SCRW TERM
Part Number172
ManufacturerCarling Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-250-7753 (NSN)
Federal Item NameTERMINAL,LUG
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Overall Width0.109 INCHES0.109 INCHES
Angle90.0 DEGREES90.0 DEGREES
Mounting Method StyleRINGRING
Conductor Accommodation TypeFLAT LUG W/DOUBLE NOTCH ON ONE SIDE SINGLE ENDFLAT LUG W/DOUBLE NOTCH ON ONE SIDE SINGLE END
Basic Shape StyleSOLDER, ANGULARSOLDER, ANGULAR
Mounting Facility Thickness0.050 INCHES0.050 INCHES
Largest Width0.109 INCHES SINGLE END0.109 INCHES SINGLE END
Mounting Hole Diameter0.164 INCHES0.164 INCHES
Surface TreatmentTIN OVERALL SINGLE LAYERTIN OVERALL SINGLE LAYER
Mounting Tongue Width0.375 INCHES0.375 INCHES
Electrical Insulation FeatureUNINSULATEDUNINSULATED
Vendor Part NumbersPB-44864-1, 1479
Cancelled NSN5940-00-329-5871 (cancelled)
Actuator Width0.050 INCHES NOMINAL
Overall Height1.761 INCHES NOMINAL
Actuator Position Action RelationsUP POSITION MAINTAINED AND DOWN POSITION MOMENTARY
Maximum Voltage Rating In Volts110.0 AC AND 28.0 DC
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Precious Material And LocationCLIPS AND BLADE SURFACES SILVER
Terminal Type And Quantity2 TAB, SOLDER LUG
Contact Load Current Rating At Max1.000 AMPERES RESISTIVE DC AND 500.000 MILLIAMPERES RESISTIVE AC
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 172 available?
We can source 172 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 172 by Carling Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 172 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 172?
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 172?
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.