PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

471-1581Protector,telephone

Northern Telecom Inc Telecom Distribution Div · NSN 5920-01-091-8966 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-091-8966 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-091-8966. Primary manufacturer part number: 471-1581.
Features
  • Protector,telephone — FSC 5920
  • Protective Component Quantity: 2
  • Wire Quantity: 5
  • Usage Design: OUTDOOR
  • Inclosure Material: PLASTIC
  • Mounting Configuration: TWO 0.190 IN. DIA MTG HOLES IN
  • Enclosure Feature: RECTANGULAR COVER
  • Protective Component Name: FUSE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Protector,telephone, cataloged under National Stock Number 5920-01-091-8966, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northern Telecom Inc Telecom Distribution Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN5920-01-091-8966
Primary Part Number471-1581
Item NameProtector,telephone
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerNorthern Telecom Inc Telecom Distribution Div
StatusCANCELLED
Protective Component Quantity2
Wire Quantity5
Usage DesignOUTDOOR
Inclosure MaterialPLASTIC
Mounting ConfigurationTWO 0.190 IN. DIA MTG HOLES IN
Enclosure FeatureRECTANGULAR COVER
Protective Component NameFUSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3950-00-102-2406AR4 INTERCHANGEABLE
Hoist,chain
Ratcliff Hoist Co
3110-00-112-5616AR4 INTERCHANGEABLE
Bearing,roller,needle
Timken Co Div the Timken Company
3110-00-156-1726 INTERCHANGEABLE
Bearing,ball,thrust
5133-00-189-9257 INTERCHANGEABLE
Drill,twist
6685-00-243-5367 INTERCHANGEABLE
Recorder,temperature
6810-00-264-5906014 INTERCHANGEABLE
Ethyl Alcohol,absolute
Greenfield Global Usa Inc Dba Pharmco-Aaper or Pharmco-Aaper
3110-00-278-6995SF4-5J INTERCHANGEABLE
Bearing,roller,rod End
Rexnord Industries, Llc Div Aerosspace Bearing Operation
5110-00-293-0089 INTERCHANGEABLE
Shears,metal Cutting,hand
5120-00-293-047930007 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
5330-00-412-2897 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
471-1581 Northern Telecom Inc Telecom Distribution Div (USA)
8420 Northern Telecom Inc Telecom Distribution Div (USA)
M55624/4-006 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0-12 Northern Telecom Inc Telecom Distribution Div (USA)
AR4 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
MIL-P-55624/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILP13110 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3950-00-102-2406INTERCHANGEABLE
HOIST,CHAIN
AR4
3110-00-112-5616INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
AR4
3110-00-156-1726INTERCHANGEABLE
BEARING,BALL,THRUST
5133-00-189-9257INTERCHANGEABLE
DRILL,TWIST
6685-00-243-5367INTERCHANGEABLE
RECORDER,TEMPERATURE
6810-00-264-5906INTERCHANGEABLE
ETHYL ALCOHOL,ABSOLUTE
014
3110-00-278-6995INTERCHANGEABLE
BEARING,ROLLER,ROD END
SF4-5J
5110-00-293-0089INTERCHANGEABLE
SHEARS,METAL CUTTING,HAND
5120-00-293-0479INTERCHANGEABLE
CAULKING TOOL,HAND
30007
5330-00-412-2897INTERCHANGEABLE
PACKING,PREFORMED
5950-00-518-1135INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6240-00-635-9754INTERCHANGEABLE
LAMP,GLOW

Frequently Asked Questions

What is NSN 5920-01-091-8966?

NSN 5920-01-091-8966 is a Protector,telephone, manufactured by Northern Telecom Inc Telecom Distribution Div, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-01-091-8966?

NSN 5920-01-091-8966 has 7 cross-referenced part numbers: 471-1581 (Northern Telecom Inc Telecom Distribution Div), 8420 (Northern Telecom Inc Telecom Distribution Div), M55624/4-006 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 0-12 (Northern Telecom Inc Telecom Distribution Div), AR4 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 2 more.

What NSN replaces 5920-01-091-8966?

There are 12 known substitutes for 5920-01-091-8966: 3950-00-102-2406, 3110-00-112-5616, 3110-00-156-1726 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 471-1581?

Key specifications for 471-1581: Protective Component Quantity: 2; Overall Length: 6.500 INCHES MAXIMUM IN; Wire Quantity: 5; Usage Design: OUTDOOR. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-091-8966 still in active supply?

NSN 5920-01-091-8966 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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