Raytheon Co Equipment Development Lab · Electronic Components
271-1388P4
Relay, Electromagnetic
Part Number271-1388P4
ManufacturerRaytheon Co Equipment Development Lab
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-726-0451 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Center To Center Distance Between0.952 INCHES MINIMUM AND 0.984 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Length1.000 INCHES NOMINAL
Winding Dc Resistance Rating675.0 OHMS NOMINAL SINGLE WINDING
Coil Quantity1
Main Contact Load Current Rating A1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Overall Height1.960 INCHES NOMINAL
Overall Width1.000 INCHES NOMINAL
Cancelled NSN5945-00-853-6754 (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 271-1388P4 available?
We can source 271-1388P4 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 271-1388P4 by Raytheon Co Equipment Development Lab obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 271-1388P4 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 271-1388P4?
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 271-1388P4?
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.