PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55518/3Fuseholder,block

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-01-359-3287 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-359-3287 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-359-3287. Primary manufacturer part number: A-A-55518/3.
Features
  • Fuseholder,block — FSC 5920
  • Mounting Hole Style: IN-LINE ALONG THE WIDTH
  • Accommodated Fuse Length: 1.280 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 18 THREADED STUD
  • Material: COPPER ALLOY CONTACT
  • Fuse Terminal Type Accommodated: FERRULE
  • Internal Circuit Configuration and Pole Quantity: 9 POLE, MAINLINE, FUSED
  • Accommodated Ferrule Diameter: 0.28125 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-359-3287, 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 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-359-3287
Primary Part NumberA-A-55518/3
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Mounting Hole StyleIN-LINE ALONG THE WIDTH
Accommodated Fuse Length1.280 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
Terminal Type and Quantity18 THREADED STUD
MaterialCOPPER ALLOY CONTACT
Fuse Terminal Type AccommodatedFERRULE
Internal Circuit Configuration and Pole Quantity9 POLE, MAINLINE, FUSED
Accommodated Ferrule Diameter0.28125 INCHES NOMINAL IN
Fuse Accommodation Quantity9
Center to Center Distance Between Outside Mounting Holes Along Width6.240 INCHES NOMINAL IN
Voltage in Volts250.0
Current Carrying Rating in Amps30.0
Base Thickness0.025 INCHES NOMINAL IN
Body StyleCLIP CONNECTED TYPE
Screw Thread Quantity Per Inch32.0
Screw Thread Diameter0.164 INCHES NOMINAL IN
Mounting Hole Diameter0.138 INCHES MINIMUM IN
Mounting Hole Quantity9
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-01-026-9645 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
A-A-55518/3 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M21346/3-46 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FH24LM L3harris Maritime Power & Energy Solutions, Inc (USA)
A-A-555183/3 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55518/03-004 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH24LM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-21346 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FH24LM Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-01-026-9645INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 5920-01-359-3287?

NSN 5920-01-359-3287 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 5920-01-359-3287?

NSN 5920-01-359-3287 has 8 cross-referenced part numbers: A-A-55518/3 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), M21346/3-46 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FH24LM (L3harris Maritime Power & Energy Solutions, Inc), A-A-555183/3 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA55518/03-004 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5920-01-359-3287?

There is 1 known substitute for 5920-01-359-3287: 5920-01-026-9645. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55518/3?

Key specifications for A-A-55518/3: Mounting Hole Style: IN-LINE ALONG THE WIDTH; Accommodated Fuse Length: 1.280 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN; Terminal Type and Quantity: 18 THREADED STUD; Material: COPPER ALLOY CONTACT. 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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