Lockheed Martin Corporation · Electronic Components
748220-2
Relay, Electromagnetic
Part Number748220-2
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-581-1981 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
Winding Dc Resistance Rating250.0 OHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating A1.5 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Environmental ProtectionHERMETIC
Overall Width1.670 INCHES MAXIMUM
Duty TypeCONTINUOUS
Overall Height1.140 INCHES NOMINAL
Pile Up Main Contact Form Arrangem4C
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Overall Length1.780 INCHES MAXIMUM
Cancelled NSN5945-00-655-1048 (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 748220-2 available?
We can source 748220-2 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 748220-2 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 748220-2 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 748220-2?
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 748220-2?
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.