Lockheed Martin · Electronic Components
12E40340-537
Relay Assembly
Part Number12E40340-537
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-274-1612 (NSN)
Federal Item NameRELAY ASSEMBLY
Federal Supply Class5945 — Relays and Solenoids
Overall Length8.000 INCHES NOMINAL
Overall Height8.250 INCHES NOMINAL
Overall Width4.510 INCHES NOMINAL
Cubic Measure297.66 CUBIC INCHES
Relay TypeELECTROMAGNETIC
Mounting ConfigurationFOUR 0.120 IN. DIA MTG HOLES SPACED ON 7.125 IN. BY 3.250 IN. MTG CENTERS
Individual Relay Quantity2
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 12E40340-537 available?
We can source 12E40340-537 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 12E40340-537 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12E40340-537 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 12E40340-537?
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 12E40340-537?
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.