PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55518/04-012Fuseholder,block

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-01-375-1236 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-375-1236 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-375-1236. Primary manufacturer part number: AA55518/04-012.
Features
  • Fuseholder,block — FSC 5920
  • Voltage in Volts: 250.0
  • Current Carrying Rating in Amps: 30.0
  • Accommodated Fuse Length: 1.500 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 12
  • Body Height: 1.030 INCHES NOMINAL IN
  • Material: COPPER ALLOY CONTACT
  • Test Data Document: 81349-MIL-F-21346 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-375-1236, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-375-1236
Primary Part NumberAA55518/04-012
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Voltage in Volts250.0
Current Carrying Rating in Amps30.0
Accommodated Fuse Length1.500 INCHES NOMINAL IN
Fuse Accommodation Quantity12
Body Height1.030 INCHES NOMINAL IN
MaterialCOPPER ALLOY CONTACT
Test Data Document81349-MIL-F-21346 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data81349-MIL-F-21346/3-61 GOVERNMENT SPECIFICATION
Terminal Type and Quantity24 FERRULE
Mounting Hole StyleONE HOLE MOUNTING
Fuse Terminal Type AccommodatedFERRULE
Accommodated Ferrule Diameter0.406 INCHES NOMINAL IN
Base Thickness0.250 INCHES NOMINAL IN
Internal Circuit Configuration and Pole Quantity12 POLE, MAINLINE, FUSED
Body StylePLAIN BASE W/O BARRIERS
Mounting Hole Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5920-00-164-1147 INTERCHANGEABLE
Fuseholder,block
5920-01-026-9645 INTERCHANGEABLE
Fuseholder,block
5920-01-437-8850 INTERCHANGEABLE
Fuseholder,block
5920-01-472-3583 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
AA55518/04-012 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH25PM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M21346/3-61 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)
Related Parts
5920-00-164-1147INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-026-9645INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-437-8850INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-472-3583INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 5920-01-375-1236?

NSN 5920-01-375-1236 is a Fuseholder,block, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-375-1236?

NSN 5920-01-375-1236 has 4 cross-referenced part numbers: AA55518/04-012 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FH25PM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M21346/3-61 (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).

What NSN replaces 5920-01-375-1236?

There are 4 known substitutes for 5920-01-375-1236: 5920-00-164-1147, 5920-01-026-9645, 5920-01-437-8850 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55518/04-012?

Key specifications for AA55518/04-012: Voltage in Volts: 250.0; Current Carrying Rating in Amps: 30.0; Accommodated Fuse Length: 1.500 INCHES NOMINAL IN; Fuse Accommodation Quantity: 12. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com