PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FH25AMFuseholder,block

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-472-3583 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-472-3583 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-472-3583. Primary manufacturer part number: FH25AM.
Features
  • Fuseholder,block — FSC 5920
  • Accommodated Fuse Length: 1.500 INCHES NOMINAL IN
  • Base Thickness: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
  • Mounting Hole Quantity: 1
  • Accommodated Ferrule Diameter: 0.406 INCHES NOMINAL IN
  • Current Carrying Rating in Amps: 30.0
  • Voltage in Volts: 250.0
  • Functional Description: ACCOMMODATES 5AG OR 5AB TYPE FUSE CARTRIDGES
Applications
  • Applications requiring Copper Alloy 172 or Copper Alloy 173 or Copper Alloy 170 or Copper Alloy 172 Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-472-3583, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-472-3583
Primary Part NumberFH25AM
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusCANCELLED
Accommodated Fuse Length1.500 INCHES NOMINAL IN
Base Thickness0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
Mounting Hole Quantity1
Accommodated Ferrule Diameter0.406 INCHES NOMINAL IN
Current Carrying Rating in Amps30.0
Voltage in Volts250.0
Functional DescriptionACCOMMODATES 5AG OR 5AB TYPE FUSE CARTRIDGES
Body StyleCLIP CONNECTED TYPE
Internal Circuit Configuration and Pole Quantity1 POLE, MAINLINE, FUSED
Mounting Hole StyleONE HOLE MOUNTING
Fuse Terminal Type AccommodatedFERRULE
MaterialCOPPER ALLOY 172 OR COPPER ALLOY 173 OR COPPER ALLOY 170 OR COPPER ALLOY 172 CONTACT
MaterialPLASTIC BODY
Terminal Type and Quantity2 SCREW
Fuse Accommodation Quantity1
Supplementary FeaturesSUPPLIED WITH COMMERCIAL ITEM DESCRIPTION (CID) NO. AA55507/01-03 FUSE CLIPS
Material Document and ClassificationQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5920-00-164-1147 INTERCHANGEABLE
Fuseholder,block
5935-00-932-9144SM-C-687210-4 INTERCHANGEABLE
Connector,plug,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5920-01-026-9645 INTERCHANGEABLE
Fuseholder,block
5920-01-034-8029 INTERCHANGEABLE
Fuseholder,block
5935-01-042-2882556001 INTERCHANGEABLE
Connector,plug,electrical
Radio Frequency Systems Inc
4820-01-124-383055-6001 INTERCHANGEABLE
Disk,valve
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5985-01-314-5256556001 INTERCHANGEABLE
Mast Section
Comrod Sweden Ab
5920-01-375-1236 INTERCHANGEABLE
Fuseholder,block
5930-01-425-77616727 ITEM 14 INTERCHANGEABLE
Switch,toggle
Howell Laboratories Inc Dba Howell Laboratories Inc
5920-01-437-8850 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
FH25AM Cooper Bussmann, Llc Dba Cooper Industries (USA)
FH25AM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILF21346-3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA55518/04-001 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55518/04 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M21346/3-50 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55518/4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
556001 Littelfuse, Inc. (USA)
Related Parts
5920-00-164-1147INTERCHANGEABLE
FUSEHOLDER,BLOCK
5935-00-932-9144INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
SM-C-687210-4
5920-01-026-9645INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-034-8029INTERCHANGEABLE
FUSEHOLDER,BLOCK
5935-01-042-2882INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
556001
4820-01-124-3830INTERCHANGEABLE
DISK,VALVE
55-6001
5985-01-314-5256INTERCHANGEABLE
MAST SECTION
556001
5920-01-375-1236INTERCHANGEABLE
FUSEHOLDER,BLOCK
5930-01-425-7761INTERCHANGEABLE
SWITCH,TOGGLE
6727 ITEM 14
5920-01-437-8850INTERCHANGEABLE
FUSEHOLDER,BLOCK
3910-01-513-3419INTERCHANGEABLE
CONVEYOR,ROLLER,GRAVITY
556-001

Frequently Asked Questions

What is NSN 5920-01-472-3583?

NSN 5920-01-472-3583 is a Fuseholder,block, 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 5920-01-472-3583?

NSN 5920-01-472-3583 has 8 cross-referenced part numbers: FH25AM (Cooper Bussmann, Llc Dba Cooper Industries), FH25AM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF21346-3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA55518/04-001 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55518/04 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5920-01-472-3583?

There are 11 known substitutes for 5920-01-472-3583: 5920-00-164-1147, 5935-00-932-9144, 5920-01-026-9645 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FH25AM?

Key specifications for FH25AM: Accommodated Fuse Length: 1.500 INCHES NOMINAL IN; Overall Length: 2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM IN; Base Thickness: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Overall Height: 1.025 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-472-3583 still in active supply?

NSN 5920-01-472-3583 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.
PartsTable Design LLC · partstable.com