PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101BCoil,telephone

At and T Technologies Inc Federal Systems Div · NSN 5950-00-309-5383 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-309-5383 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-309-5383. Primary manufacturer part number: 101B.
Features
  • Coil,telephone — FSC 5950
  • Body Outside Diameter: 2.000 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 2 COLLAR/RING
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: TERMINAL SINGLE GROUP
  • Winding Quantity: 1 SINGLE COMPONENT
  • Body Length: 1.750 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 5950-00-309-5383, 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 Technologies Inc Federal Systems Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-309-5383
Primary Part Number101B
Item NameCoil,telephone
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAt and T Technologies Inc Federal Systems Div
StatusCANCELLED
Body Outside Diameter2.000 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity2 COLLAR/RING
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTERMINAL SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Body Length1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6210-00-023-4365101B INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
4730-00-277-7331SAE J530 6-6-6 130438B INTERCHANGEABLE
Tee,pipe
Sae International Dba Sae International
4910-00-409-85883405-01 INTERCHANGEABLE
Analyzer,diesel Exh
K-Tool Corporation of Michigan Dba Preferred Tool & Equipment
3930-00-488-8536101B INTERCHANGEABLE
Latch Assy,fork
The Dyson Corporation
6680-00-530-0952110B INTERCHANGEABLE
Tachometer,electrical,self-Gener
Electro-Mechano Inc. Dba E M Instruments Div
5961-00-717-52471011 INTERCHANGEABLE
Holder,semiconductor Device
Spectrum Microwave, Inc.
5960-00-784-6103 INTERCHANGEABLE
Retainer,electron Tube
5355-00-825-0239MS91528-101B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
7510-01-005-8996 INTERCHANGEABLE
Binder,loose-Leaf
6650-01-035-9350130 INTERCHANGEABLE
Binocular
Southern Precision Instrument Co
Cross-Reference Index
Part NumberManufacturer
101B At and T Technologies Inc Federal Systems Div (USA)
19CTESTSETTELEPH0NE American Telephone and Telegraph Co (USA)
101BC0IL American Telephone and Telegraph Co (USA)
SCC25787 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
101B American Telephone and Telegraph Co (USA)
19CTESTSETTELEPHONE Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
19CTESTSETTELEPHONE Hydrapak Inc (USA)
SK772 Shalltronix Corp (USA)
101BC0IL At and T Corp (USA)
19CTESTSETTELEPH0NE At and T Corp (USA)
Related Parts
6210-00-023-4365INTERCHANGEABLE
LIGHT,INDICATOR
101B
4730-00-277-7331INTERCHANGEABLE
TEE,PIPE
SAE J530 6-6-6 130438B
4910-00-409-8588INTERCHANGEABLE
ANALYZER,DIESEL EXH
3405-01
3930-00-488-8536INTERCHANGEABLE
LATCH ASSY,FORK
101B
6680-00-530-0952INTERCHANGEABLE
TACHOMETER,ELECTRICAL,SELF-GENER
110B
5961-00-717-5247INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
1011
5960-00-784-6103INTERCHANGEABLE
RETAINER,ELECTRON TUBE
5355-00-825-0239INTERCHANGEABLE
KNOB
MS91528-101B
7510-01-005-8996INTERCHANGEABLE
BINDER,LOOSE-LEAF
6650-01-035-9350INTERCHANGEABLE
BINOCULAR
130
2040-01-145-0664INTERCHANGEABLE
DIE,NON-ADJUSTABLE
101B
4730-01-492-5474INTERCHANGEABLE
TEE,PIPE

Frequently Asked Questions

What is NSN 5950-00-309-5383?

NSN 5950-00-309-5383 is a Coil,telephone, manufactured by At and T Technologies Inc Federal Systems Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-309-5383?

NSN 5950-00-309-5383 has 10 cross-referenced part numbers: 101B (At and T Technologies Inc Federal Systems Div), 19CTESTSETTELEPH0NE (American Telephone and Telegraph Co), 101BC0IL (American Telephone and Telegraph Co), SCC25787 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 101B (American Telephone and Telegraph Co) and 5 more.

What NSN replaces 5950-00-309-5383?

There are 12 known substitutes for 5950-00-309-5383: 6210-00-023-4365, 4730-00-277-7331, 4910-00-409-8588 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101B?

Key specifications for 101B: Body Outside Diameter: 2.000 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 2 COLLAR/RING; Reliability Indicator: NOT ESTABLISHED. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-309-5383 still in active supply?

NSN 5950-00-309-5383 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.
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