PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55518/02Fuseholder,block

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-01-146-1290 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-146-1290 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-146-1290. Primary manufacturer part number: AA55518/02.
Features
  • Fuseholder,block — FSC 5920
  • Accommodated Fuse Length: 1.250 INCHES NOMINAL IN
  • Voltage in Volts: 250.0
  • Internal Circuit Configuration and Pole Quantity: 8 POLE, MAINLINE, FUSED
  • Center to Center Distance Between Outside Mounting Holes Along Width: 6.340 INCHES NOMINAL IN
  • Material: PLASTIC BODY
  • Material: COPPER ALLOY TERMINAL
  • Terminal Type and Quantity: 16 SCREW
Applications
  • Applications requiring Plastic Body construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-146-1290, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Active.

Technical Specifications
ParameterValue
NSN5920-01-146-1290
Primary Part NumberAA55518/02
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Voltage in Volts250.0
Internal Circuit Configuration and Pole Quantity8 POLE, MAINLINE, FUSED
Center to Center Distance Between Outside Mounting Holes Along Width6.340 INCHES NOMINAL IN
MaterialPLASTIC BODY
MaterialCOPPER ALLOY TERMINAL
Terminal Type and Quantity16 SCREW
MaterialCOPPER ALLOY CONTACT
Current Carrying Rating in Amps30.0
Fuse Terminal Type AccommodatedFERRULE
Mounting Hole Diameter0.138 INCHES NOMINAL IN
Fuse Accommodation Quantity8
Base Thickness0.250 INCHES NOMINAL IN
Mounting Hole StyleIN-LINE ALONG THE WIDTH
Body StyleCLIP CONNECTED TYPE
Mounting Hole Quantity8
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-142-7439BK-S-8002-1X-R INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-248-8882 INTERCHANGEABLE
Fuseholder,block
5920-00-280-4037 INTERCHANGEABLE
Fuseholder,block
5920-00-284-9206 INTERCHANGEABLE
Fuseholder,block
5920-00-846-4114 INTERCHANGEABLE
Fuseholder,block
5920-00-846-6632 INTERCHANGEABLE
Fuseholder,block
5920-00-877-9348 INTERCHANGEABLE
Fuseholder,block
5920-00-981-5803 INTERCHANGEABLE
Fuseholder,block
5920-00-993-8979 INTERCHANGEABLE
Fuseholder,block
5920-01-173-1013 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
AA55518/02 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH22KM Cooper Bussmann, Llc Dba Cooper Industries (USA)
AA55518/02-008 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH22KM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-55518/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH22KM Littelfuse, Inc. (USA)
44-1327-8 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
6999ED379PC28 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
5920-00-142-7439INTERCHANGEABLE
FUSEHOLDER,BLOCK
BK-S-8002-1X-R
5920-00-248-8882INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-280-4037INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-284-9206INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-846-4114INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-846-6632INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-877-9348INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-981-5803INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-00-993-8979INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-173-1013INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-173-1014INTERCHANGEABLE
FUSEHOLDER,BLOCK
3553-12
5920-01-348-4217INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 5920-01-146-1290?

NSN 5920-01-146-1290 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 5920-01-146-1290?

NSN 5920-01-146-1290 has 8 cross-referenced part numbers: AA55518/02 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FH22KM (Cooper Bussmann, Llc Dba Cooper Industries), AA55518/02-008 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FH22KM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-55518/2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5920-01-146-1290?

There are 12 known substitutes for 5920-01-146-1290: 5920-00-142-7439, 5920-00-248-8882, 5920-00-280-4037 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55518/02?

Key specifications for AA55518/02: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Voltage in Volts: 250.0; Internal Circuit Configuration and Pole Quantity: 8 POLE, MAINLINE, FUSED; Center to Center Distance Between Outside Mounting Holes Along Width: 6.340 INCHES NOMINAL IN. 20 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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