Lucent Technologies Inc. Corporate Headquarters · Electronic Components
U4RECEIVERUNIT
Earphone Element
Part NumberU4RECEIVERUNIT
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-505-2166 (NSN)
Federal Item NameEARPHONE ELEMENT
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Overall Diameter1.822 INCHES NOMINAL
Body StyleEARPHONE ELEMENT, CIRCULAR
Earphone Element Depth0.906 INCHES NOMINAL
Impedance Rating In Ohms600.0 NOMINAL
Earphone Element TypeMAGNETIC
Acoustic Sensitivity Reference RatNOT RATED
Vendor Part NumbersU2RECEIVERUNIT
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 U4RECEIVERUNIT available?
We can source U4RECEIVERUNIT 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 U4RECEIVERUNIT by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U4RECEIVERUNIT 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 U4RECEIVERUNIT?
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 U4RECEIVERUNIT?
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.