Lucent Technologies Inc. Corporate Headquarters · Electronic Components
289B
Plug, Telephone
Part Number289B
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-259-1943 (NSN)
Federal Item NamePLUG,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Cable Entrance Diameter0.391 INCHES NOMINAL
MaterialPLASTIC HANDLE
Identification Code ColorBLACK
Center To Center Distance Between0.625 INCHES NOMINAL
Finger Length1.141 INCHES NOMINAL ALL FINGERS
Body Length1.297 INCHES NOMINAL
Electrical Insulation FeatureINSULATED COMPLETELY
Body StyleDUAL PATCH CORD STRAIGHT HANDLE
Body Width0.625 INCHES NOMINAL
Terminal TypeEXTERNAL SETSCREW
Finger Diameter0.250 INCHES NOMINAL ALL FINGERS
Cancelled NSN5935-00-829-2083 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
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 289B available?
We can source 289B 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 289B by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 289B 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 289B?
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 289B?
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.