PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55518/04-006Fuseholder,block

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-00-164-1147 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-164-1147 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-164-1147. Primary manufacturer part number: AA55518/04-006.
Features
  • Fuseholder,block — FSC 5920
  • Terminal Type and Quantity: 12 SCREW
  • Base Thickness: 0.250 INCHES NOMINAL IN
  • Mounting Hole Style: IN-LINE ALONG THE WIDTH
  • Fuse Terminal Type Accommodated: FERRULE
  • Internal Circuit Configuration and Pole Quantity: 6 POLE, MAINLINE, FUSED
  • Material: COPPER ALLOY CONTACT
  • Fuse Accommodation Quantity: 6
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-164-1147, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-164-1147
Primary Part NumberAA55518/04-006
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Terminal Type and Quantity12 SCREW
Base Thickness0.250 INCHES NOMINAL IN
Mounting Hole StyleIN-LINE ALONG THE WIDTH
Fuse Terminal Type AccommodatedFERRULE
Internal Circuit Configuration and Pole Quantity6 POLE, MAINLINE, FUSED
MaterialCOPPER ALLOY CONTACT
Fuse Accommodation Quantity6
Accommodated Ferrule Diameter0.406 INCHES NOMINAL IN
Accommodated Fuse Length1.500 INCHES NOMINAL IN
Mounting Hole Quantity6
Center to Center Distance Between Outside Mounting Holes Along Width4.850 INCHES NOMINAL IN
Coating MethodPLATED CONTACT
Body Height1.030 INCHES NOMINAL IN
Body StylePLAIN BASE W/O BARRIERS
Current Carrying Rating in Amps30.0
Mounting Hole Diameter0.138 INCHES NOMINAL IN
Voltage in Volts250.0
Surface TreatmentCOPPER AND TIN AND ZINC CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-298-0384 INTERCHANGEABLE
Seal,plain Encased
5133-00-988-5666 INTERCHANGEABLE
Drill,twist
5920-01-026-9645 INTERCHANGEABLE
Fuseholder,block
5920-01-375-1236 INTERCHANGEABLE
Fuseholder,block
3020-01-377-7007035556 INTERCHANGEABLE
Pulley,groove
Westerbeke Corporation
5920-01-437-8850 INTERCHANGEABLE
Fuseholder,block
5920-01-472-3583 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
AA55518/04-006 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-55518/4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH25HM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3555-6 Cooper Bussmann, Llc Dba Cooper Industries (USA)
M21346/3-55 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-21346/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA55518/04 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FH25HM Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5330-00-298-0384INTERCHANGEABLE
SEAL,PLAIN ENCASED
5133-00-988-5666INTERCHANGEABLE
DRILL,TWIST
5920-01-026-9645INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-375-1236INTERCHANGEABLE
FUSEHOLDER,BLOCK
3020-01-377-7007INTERCHANGEABLE
PULLEY,GROOVE
035556
5920-01-437-8850INTERCHANGEABLE
FUSEHOLDER,BLOCK
5920-01-472-3583INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 5920-00-164-1147?

NSN 5920-00-164-1147 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 5920-00-164-1147?

NSN 5920-00-164-1147 has 8 cross-referenced part numbers: AA55518/04-006 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55518/4 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FH25HM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3555-6 (Cooper Bussmann, Llc Dba Cooper Industries), M21346/3-55 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5920-00-164-1147?

There are 7 known substitutes for 5920-00-164-1147: 5330-00-298-0384, 5133-00-988-5666, 5920-01-026-9645 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55518/04-006?

Key specifications for AA55518/04-006: Terminal Type and Quantity: 12 SCREW; Base Thickness: 0.250 INCHES NOMINAL IN; Mounting Hole Style: IN-LINE ALONG THE WIDTH; Overall Width: 5.690 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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