PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56BCoil,telephone

At and T Corp · NSN 5950-00-189-5814 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-189-5814 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-189-5814. Primary manufacturer part number: 56B.
Features
  • Coil,telephone — FSC 5950
  • Terminal Type and Quantity: 8 TAB, SOLDER LUG
  • DC Resistance Rating in Ohms: 2.400 SINGLE COMPONENT SECOND WINDING
  • Mounting Hole Diameter: 0.203 INCHES NOMINAL SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 9.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • DC Resistance Rating in Ohms: 2.400 SINGLE COMPONENT FIRST WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 7.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,telephone, cataloged under National Stock Number 5950-00-189-5814, 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 At and T Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-189-5814
Primary Part Number56B
Item NameCoil,telephone
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAt and T Corp
StatusACTIVE
Terminal Type and Quantity8 TAB, SOLDER LUG
DC Resistance Rating in Ohms2.400 SINGLE COMPONENT SECOND WINDING
Mounting Hole Diameter0.203 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length9.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
DC Resistance Rating in Ohms2.400 SINGLE COMPONENT FIRST WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width7.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Quantity3 SINGLE COMPONENT
DC Resistance Rating in Ohms27.800 SINGLE COMPONENT THIRD WINDING
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Length11.000 INCHES NOMINAL IN
Body Height5.125 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Body Width8.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-178-0382858 INTERCHANGEABLE
Terminal Board
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
56B At and T Corp (USA)
56BREPEATINGC0IL American Telephone and Telegraph Co (USA)
56B Lucent Technologies Inc Dba Federal Marketing Group (USA)
56B Lucent Technologies Inc Corporate Headquarters (USA)
56BREPEATINGC0IL Lucent Technologies Inc Corporate Headquarters (USA)
56B American Telephone and Telegraph Co (USA)
56BREPEATINGC0IL Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
5940-00-178-0382INTERCHANGEABLE
TERMINAL BOARD
858

Frequently Asked Questions

What is NSN 5950-00-189-5814?

NSN 5950-00-189-5814 is a Coil,telephone, manufactured by At and T Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-189-5814?

NSN 5950-00-189-5814 has 7 cross-referenced part numbers: 56B (At and T Corp), 56BREPEATINGC0IL (American Telephone and Telegraph Co), 56B (Lucent Technologies Inc Dba Federal Marketing Group), 56B (Lucent Technologies Inc Corporate Headquarters), 56BREPEATINGC0IL (Lucent Technologies Inc Corporate Headquarters) and 2 more.

What NSN replaces 5950-00-189-5814?

There is 1 known substitute for 5950-00-189-5814: 5940-00-178-0382. Verify interchangeability with system specifications before substitution.

What are the specifications of 56B?

Key specifications for 56B: Terminal Type and Quantity: 8 TAB, SOLDER LUG; DC Resistance Rating in Ohms: 2.400 SINGLE COMPONENT SECOND WINDING; Mounting Hole Diameter: 0.203 INCHES NOMINAL SINGLE GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 9.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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