MIL-SPEC · Electronic Components
MS27751-4
Relay, Electromagnetic
Part NumberMS27751-4
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-134-8032 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Main Contact Load Current Rating A20.0 AMPERES AC AND 40.0 AMPERES DC MOTOR LOAD
Unthreaded Mounting Hole Diameter0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Overall Height3.131 INCHES MAXIMUM
Terminal Type And Quantity11 SOLDER STUD ALL FUNCTIONS
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Operating Voltage Rating And Type115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nonpile Up Main Contact Arrangemen3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Test Data Document81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
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 MS27751-4 available?
We can source MS27751-4 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 MS27751-4 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS27751-4 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 MS27751-4?
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 MS27751-4?
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.