Wells Mfg Co · Electronic Components
57728
Relay, Electromagnetic
Part Number57728
ManufacturerWells Mfg Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-023-1572 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length3.000 INCHES MAXIMUM
Nonpile Up Main Contact Arrangemen2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Center To Center Distance Between1.640 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A35.0 AMPERES AC RESISTIVE LOAD
Winding Quantity1
Overall Height2.500 INCHES MAXIMUM
Duty TypeCONTINUOUS
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Coil Quantity1
Overall Width2.000 INCHES NOMINAL
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 57728 available?
We can source 57728 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 57728 by Wells Mfg Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57728 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 57728?
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 57728?
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.