Leach · Electronic Components
MS27751-1
MIL SPEC RELAY
Part NumberMS27751-1
ManufacturerLeach
AvailabilityIn stock — ships fast
Specifications
NSN5945-00-566-5003 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Terminals11 PIN ALL FUNCTIONS
Overall Length2.440 INCHES MAXIMUM
Overall Width2.440 INCHES MAXIMUM
Overall Height3.130 INCHES MAXIMUM
Features ProvidedPOLARIZED
Nominal Operating Current Rating A160.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Federal Supply Class5945 — Relays And Solenoids
Terminal Type And Quantity11 PIN ALL FUNCTIONS
Main Contact Load Current Rating A50.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD
Winding Dc Resistance Rating200.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Nonpile Up Main Contact Arrangemen3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Cancelled NSN5945-01-438-3213 (cancelled)
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 MS27751-1 in stock?
Yes — MS27751-1 is in our stock database. Request a quote for current pricing and lead time.
Is MS27751-1 by Leach obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS27751-1 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 MS27751-1?
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 MS27751-1?
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.