Westinghouse Electric Corp. · Electronic Components
51C5537
Relay, Electromagnetic
Part Number51C5537
ManufacturerWestinghouse Electric Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-201-8623 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Coil Quantity1
Environmental ProtectionHERMETIC
Overall Width1.400 INCHES NOMINAL
Nominal Operating Current Rating A54.0 MILLIAMPERES DC SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Height2.430 INCHES NOMINAL
Mounting Facility Type And Quantit3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Vendor Part NumbersG55191, 5715-17HSX
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 51C5537 available?
We can source 51C5537 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 51C5537 by Westinghouse Electric Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 51C5537 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 51C5537?
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 51C5537?
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.