PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120CCoil,telephone

Lucent Technologies Inc Corporate Headquarters · NSN 5950-00-721-2186 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-721-2186 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-721-2186. Primary manufacturer part number: 120C.
Features
  • Coil,telephone — FSC 5950
  • Winding Quantity: 4 SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • DC Resistance Rating in Ohms: 5.500 SINGLE COMPONENT SECOND WINDING
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 3.105 INCHES NOMINAL IN
  • Body Width: 1.714 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,telephone, cataloged under National Stock Number 5950-00-721-2186, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-721-2186
Primary Part Number120C
Item NameCoil,telephone
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusCANCELLED
Winding Quantity4 SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
DC Resistance Rating in Ohms5.500 SINGLE COMPONENT SECOND WINDING
Reliability IndicatorNOT ESTABLISHED
Body Length3.105 INCHES NOMINAL IN
Body Width1.714 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Distance Between Mounting Facility Centers2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity8 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5996-00-478-3433 INTERCHANGEABLE
Amplifier,audio Frequency
8415-00-990-0706 INTERCHANGEABLE
Gloves,barbed Tape-Wire Handlers
Cross-Reference Index
Part NumberManufacturer
120C PRIMARY Lucent Technologies Inc Corporate Headquarters (USA)
120C Lucent Technologies Inc Dba Federal Marketing Group (USA)
120C American Telephone and Telegraph Co (USA)
120CREPEATINGC0IL American Telephone and Telegraph Co (USA)
Related Parts
5996-00-478-3433INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
8415-00-990-0706INTERCHANGEABLE
GLOVES,BARBED TAPE-WIRE HANDLERS

Frequently Asked Questions

What is NSN 5950-00-721-2186?

NSN 5950-00-721-2186 is a Coil,telephone, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-721-2186?

NSN 5950-00-721-2186 has 4 cross-referenced part numbers: 120C (Lucent Technologies Inc Corporate Headquarters), 120C (Lucent Technologies Inc Dba Federal Marketing Group), 120C (American Telephone and Telegraph Co), 120CREPEATINGC0IL (American Telephone and Telegraph Co).

What NSN replaces 5950-00-721-2186?

There are 2 known substitutes for 5950-00-721-2186: 5996-00-478-3433, 8415-00-990-0706. Verify interchangeability with system specifications before substitution.

What are the specifications of 120C?

Key specifications for 120C: Winding Quantity: 4 SINGLE COMPONENT; Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; DC Resistance Rating in Ohms: 5.500 SINGLE COMPONENT SECOND WINDING. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-721-2186 still in active supply?

NSN 5950-00-721-2186 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com