Leach International · Electronic Components
SW-172-F
Relay, Electromagnetic
Part NumberSW-172-F
ManufacturerLeach International
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-249-5874 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Overall Length3.000 INCHES NOMINAL
Terminal Type And Quantity6 PIN ALL FUNCTIONS
Winding Dc Resistance Rating384.0 OHMS NOMINAL SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Overall Height1.370 INCHES NOMINAL
Duty TypeCONTINUOUS
Overall Width1.620 INCHES NOMINAL
Center To Center Distance Between2.781 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A5.0 AMPERES AC AND 50.0 AMPERES DC RESISTIVE LOAD
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 SW-172-F available?
We can source SW-172-F 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 SW-172-F by Leach International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SW-172-F 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 SW-172-F?
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 SW-172-F?
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.