Lucent Technologies Inc. Corporate Headquarters · Electronic Components
181B
Coil, Telephone
Part Number181B
ManufacturerLucent Technologies Inc. Corporate Headquarters
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-519-9914 (NSN)
Federal Item NameCOIL,TELEPHONE
Federal Supply Class5950 — Coils and Transformers
Dc Resistance Rating In Ohms26.000 SINGLE COMPONENT THIRD WINDING
Distance Between Mounting Facility0.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Height1.688 INCHES NOMINAL
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Length4.500 INCHES NOMINAL
Mounting Facility Quantity2 SINGLE GROUP
Mounting Hole Diameter0.138 INCHES NOMINAL SINGLE GROUP
Body Width1.188 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity10 TAB, SOLDER LUG
Winding Quantity5 SINGLE COMPONENT
Cancelled NSN5950-00-645-4455 (cancelled)
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 181B available?
We can source 181B 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 181B by Lucent Technologies Inc. Corporate Headquarters obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 181B 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 181B?
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 181B?
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.