MIL-SPEC · Electronic Components
MS27255-4
Relay, Electromagnetic
Part NumberMS27255-4
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-111-4946 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Load Current Rating A3.0 AMPERES AC AND 3.0 AMPERES DC LAMP LOAD
Purpose For Which DesignedGENERAL
Center To Center Distance Between0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Winding Dc Resistance Rating160.0 OHMS NOMINAL SINGLE WINDING
Arc Quenching MethodAIR
Overall Width1.047 INCHES MAXIMUM
Overall Height1.432 INCHES MAXIMUM
Terminal Type And Quantity14 WIRE HOOK ALL FUNCTIONS
Time Delay0.01 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Cubic Measure2.575 CUBIC INCHES
Cancelled NSN5945-00-165-3705 (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 MS27255-4 available?
We can source MS27255-4 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 MS27255-4 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS27255-4 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 MS27255-4?
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 MS27255-4?
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.