MIL-SPEC · Electronic Components
M5757/23-042
Relay, Electromagnetic
Part NumberM5757/23-042
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-300-7724 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length1.075 INCHES MAXIMUM
Unthreaded Mounting Hole Diameter0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Purpose For Which DesignedGENERAL
Main Contact Load Current Rating A500.0 MILLIAMPERES AC AND 1.0 AMPERES DC LAMP LOAD
Cubic Measure0.873 CUBIC INCHES
Terminal Type And Quantity8 WIRE HOOK ALL FUNCTIONS
Operating Voltage Rating And Type18.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Center To Center Distance Between1.401 INCHES MINIMUM AND 1.411 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
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 M5757/23-042 available?
We can source M5757/23-042 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 M5757/23-042 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M5757/23-042 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 M5757/23-042?
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 M5757/23-042?
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.