PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FNQ1-1/2Fuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-256-5830 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-256-5830 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-256-5830. Primary manufacturer part number: FNQ1-1/2.
Features
  • Fuse,cartridge — FSC 5920
  • Maximum Voltage Rating in Volts: 500.0 AC AND 500.0 DC
  • Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Circuit Over-Current Interruption Type: DELAY TIME
  • Continuous Current Rating in Amps: 1.500
  • Body Style: TUBE TYPE
  • Overall Diameter: 0.406 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-256-5830, 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 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-256-5830
Primary Part NumberFNQ1-1/2
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Maximum Voltage Rating in Volts500.0 AC AND 500.0 DC
Circuit Over-Current Interruption Delay Time in Seconds12.0 200 PCT OF CURRENT RATING
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over-Current Interruption TypeDELAY TIME
Continuous Current Rating in Amps1.500
Body StyleTUBE TYPE
Overall Diameter0.406 INCHES NOMINAL IN
Interruption Indicator MethodOPAQUE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-01-015-44862994357-4 INTERCHANGEABLE
Fuse,cartridge
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-01-464-092293377 SHEET 6 ITEM 8 INTERCHANGEABLE
Fuse,cartridge
Con-Tech Power Systems Iinc. Bernilled Plantcryogenicsschool of Medicine and Placement of Household Managers and Butlers
Cross-Reference Index
Part NumberManufacturer
F10-0001-012 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
FNQ 1 1/2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
128208001-012 Eaton Corporation (USA)
FNQ1-1/2 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
ATQ1-1/2 PRIMARY Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
FNQ-1.5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-01-015-4486INTERCHANGEABLE
FUSE,CARTRIDGE
2994357-4
5920-01-464-0922INTERCHANGEABLE
FUSE,CARTRIDGE
93377 SHEET 6 ITEM 8

Frequently Asked Questions

What is NSN 5920-01-256-5830?

NSN 5920-01-256-5830 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-256-5830?

NSN 5920-01-256-5830 has 6 cross-referenced part numbers: F10-0001-012 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), FNQ 1 1/2 (Cooper Bussmann, Llc Dba Cooper Industries), 128208001-012 (Eaton Corporation), FNQ1-1/2 (Cooper Bussmann, Llc Dba Cooper Industries), ATQ1-1/2 (Mersen Usa Ep Corp. Dba Ferraz Shawmut) and 1 more.

What NSN replaces 5920-01-256-5830?

There are 2 known substitutes for 5920-01-256-5830: 5920-01-015-4486, 5920-01-464-0922. Verify interchangeability with system specifications before substitution.

What are the specifications of FNQ1-1/2?

Key specifications for FNQ1-1/2: Maximum Voltage Rating in Volts: 500.0 AC AND 500.0 DC; Overall Length: 1.500 INCHES NOMINAL IN; Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING; End Item Identification: LOGISTICS SUPPORT VESSEL. 10 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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