Lucent Technologies Inc. Corporate Headquarters · Electronic Components
U3RELAY
Cover, Electrical Relay
Part NumberU3RELAY
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-549-4980 (NSN)
Federal Item NameCOVER,ELECTRICAL RELAY
Federal Supply Class5945 — Relays and Solenoids
MaterialALUMINUM
Overall Length4.2656 INCHES NOMINAL
Mounting ConfigurationFOUR HOLES ON 1.750 IN. BY 1.500 IN. MTG CENTERS
Overall Height1.4062 INCHES NOMINAL
Overall Width1.6562 INCHES NOMINAL
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 U3RELAY available?
We can source U3RELAY 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 U3RELAY by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U3RELAY 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 U3RELAY?
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 U3RELAY?
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.