PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T4Fuse,plug

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-00-142-6862 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-142-6862 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-142-6862. Primary manufacturer part number: T4.
Features
  • Fuse,plug — FSC 5920
  • Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC
  • Continuous Current Rating in Amps: 4.000
  • Nondefinitive Spec/std Data: 2 TYPE
  • Circuit Over-Current Interruption Delay Time in Seconds: 30.0 200 PCT OF CURRENT RATING
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Overall Diameter: 1.250 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,plug, cataloged under National Stock Number 5920-00-142-6862, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5920-00-142-6862
Primary Part NumberT4
Item NameFuse,plug
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusCANCELLED
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Continuous Current Rating in Amps4.000
Nondefinitive Spec/std Data2 TYPE
Circuit Over-Current Interruption Delay Time in Seconds30.0 200 PCT OF CURRENT RATING
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption TypeTIME DELAY
Overall Diameter1.250 INCHES NOMINAL IN
Body StyleEDISON BASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-142-8606T6-1-4 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
6505-00-147-0000 INTERCHANGEABLE
Talc
5340-00-229-38461141GE INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
6625-00-257-21786039 INTERCHANGEABLE
Test Set,battery
Associated Equipment Corporation Dba Associated Equipment Corp
5985-00-295-3919 INTERCHANGEABLE
Attenuator,variable
6625-00-391-7957T4 INTERCHANGEABLE
Test Set,insulation Breakdown
Entron Industries Limited Partnership Dba Entron Industries Property Div
6680-00-515-6363T4 INTERCHANGEABLE
Tachometer,vibrating Reed
Avo Intl
5950-00-519-9287T4 INTERCHANGEABLE
Transformer,audio Frequency
Bogen Communications Inc
6240-00-536-1867T4 INTERCHANGEABLE
Lamp,incandescent
Sol-Rex Miniature Lamp Works
4910-00-554-3542158H INTERCHANGEABLE
Lift,transmission and Differenti
Goodrich Corporation
Cross-Reference Index
Part NumberManufacturer
129431 American Telephone and Telegraph Co (USA)
T4 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
WF831ANDTYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
129431 Lucent Technologies Inc Corporate Headquarters (USA)
129431 At and T Corp (USA)
T4-4AMP125V PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-142-8606INTERCHANGEABLE
FUSE,PLUG
T6-1-4
6505-00-147-0000INTERCHANGEABLE
TALC
5340-00-229-3846INTERCHANGEABLE
KEY BLANK
1141GE
6625-00-257-2178INTERCHANGEABLE
TEST SET,BATTERY
6039
5985-00-295-3919INTERCHANGEABLE
ATTENUATOR,VARIABLE
6625-00-391-7957INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
T4
6680-00-515-6363INTERCHANGEABLE
TACHOMETER,VIBRATING REED
T4
5950-00-519-9287INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
T4
6240-00-536-1867INTERCHANGEABLE
LAMP,INCANDESCENT
T4
4910-00-554-3542INTERCHANGEABLE
LIFT,TRANSMISSION AND DIFFERENTI
158H
6675-00-641-3549INTERCHANGEABLE
THEODOLITE,SURVEYING
5920-00-871-1045INTERCHANGEABLE
FUSE,PLUG
T4

Frequently Asked Questions

What is NSN 5920-00-142-6862?

NSN 5920-00-142-6862 is a Fuse,plug, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-142-6862?

NSN 5920-00-142-6862 has 6 cross-referenced part numbers: 129431 (American Telephone and Telegraph Co), T4 (Cooper Bussmann, Llc Dba Cooper Industries), WF831ANDTYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC), 129431 (Lucent Technologies Inc Corporate Headquarters), 129431 (At and T Corp) and 1 more.

What NSN replaces 5920-00-142-6862?

There are 12 known substitutes for 5920-00-142-6862: 5920-00-142-8606, 6505-00-147-0000, 5340-00-229-3846 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T4?

Key specifications for T4: Maximum Voltage Rating in Volts: 125.0 AC AND 125.0 DC; Continuous Current Rating in Amps: 4.000; Nondefinitive Spec/std Data: 2 TYPE; Overall Length: 1.219 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-142-6862 still in active supply?

NSN 5920-00-142-6862 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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