Lockheed Martin Librascope Corporation · Electronic Components
L503000199
Relay, Electromagnetic
Part NumberL503000199
ManufacturerLockheed Martin Librascope Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-811-7042 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Height2.275 INCHES NOMINAL
Time Delay2.25 SECONDS NOMINAL FIXED OPERATE TIME
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Overall Length1.906 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Center To Center Distance Between0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Duty TypeINTERMITTENT
Winding Quantity2
Environmental ProtectionHERMETIC
Vendor Part Numbers2041382
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 L503000199 available?
We can source L503000199 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 L503000199 by Lockheed Martin Librascope Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L503000199 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 L503000199?
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 L503000199?
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.