PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55508Fuseholder,block

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-01-034-8029 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-034-8029 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-034-8029. Primary manufacturer part number: A-A-55508.
Features
  • Fuseholder,block — FSC 5920
  • Base Thickness: 0.219 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 SCREW
  • Current Carrying Rating in Amps: 30.0
  • Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED
  • Material: COPPER ALLOY CONTACT
  • Voltage in Volts: 600.0
  • Coating Method: PLATED CONTACT
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-034-8029, 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 6 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
NSN5920-01-034-8029
Primary Part NumberA-A-55508
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Base Thickness0.219 INCHES NOMINAL IN
Terminal Type and Quantity2 SCREW
Current Carrying Rating in Amps30.0
Internal Circuit Configuration and Pole Quantity1 POLE, MAINLINE, FUSED
MaterialCOPPER ALLOY CONTACT
Voltage in Volts600.0
Coating MethodPLATED CONTACT
Surface TreatmentNICKEL CONTACT
Fuse Terminal Type AccommodatedFERRULE
Fuse Accommodation Quantity1
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Mounting Hole StyleONE HOLE MOUNTING
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Mounting Hole Quantity1
Mounting Hole Diameter0.142 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
Body StyleCLIP CONNECTED TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-421-9154 INTERCHANGEABLE
Screw,machine
5920-00-469-2648 INTERCHANGEABLE
Fuseholder,block
5310-00-596-536638351 INTERCHANGEABLE
Nut,plain,hexagon
Honeywell International Inc. Div Aerospace - Torrance
5935-00-932-9144SM-C-687210-4 INTERCHANGEABLE
Connector,plug,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-01-042-2882556001 INTERCHANGEABLE
Connector,plug,electrical
Radio Frequency Systems Inc
3130-01-051-537838351 INTERCHANGEABLE
Bearing Unit,plain
Kone Inc.
4820-01-124-383055-6001 INTERCHANGEABLE
Disk,valve
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5920-01-171-7477 INTERCHANGEABLE
Fuseholder,block
4440-01-218-00923835-1 INTERCHANGEABLE
Separator,entrainment
Kahn and Company, Incorporated
4820-01-251-0900N38351 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
A-A-55508 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
3835-1 Cooper Bussmann, Llc Dba Cooper Industries (USA)
AA55508-001 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
352250024777 Thales Nederland (NLD)
A128401027 Eaton Corporation (USA)
556001 Wickmann Werke Gmbh (DEU)
Related Parts
5305-00-421-9154INTERCHANGEABLE
SCREW,MACHINE
5920-00-469-2648INTERCHANGEABLE
FUSEHOLDER,BLOCK
5310-00-596-5366INTERCHANGEABLE
NUT,PLAIN,HEXAGON
38351
5935-00-932-9144INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
SM-C-687210-4
5935-01-042-2882INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
556001
3130-01-051-5378INTERCHANGEABLE
BEARING UNIT,PLAIN
38351
4820-01-124-3830INTERCHANGEABLE
DISK,VALVE
55-6001
5920-01-171-7477INTERCHANGEABLE
FUSEHOLDER,BLOCK
4440-01-218-0092INTERCHANGEABLE
SEPARATOR,ENTRAINMENT
3835-1
4820-01-251-0900INTERCHANGEABLE
DISK,VALVE
N38351
5985-01-314-5256INTERCHANGEABLE
MAST SECTION
556001
5930-01-425-7761INTERCHANGEABLE
SWITCH,TOGGLE
6727 ITEM 14

Frequently Asked Questions

What is NSN 5920-01-034-8029?

NSN 5920-01-034-8029 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 5920-01-034-8029?

NSN 5920-01-034-8029 has 6 cross-referenced part numbers: A-A-55508 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 3835-1 (Cooper Bussmann, Llc Dba Cooper Industries), AA55508-001 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 352250024777 (Thales Nederland), A128401027 (Eaton Corporation) and 1 more.

What NSN replaces 5920-01-034-8029?

There are 12 known substitutes for 5920-01-034-8029: 5305-00-421-9154, 5920-00-469-2648, 5310-00-596-5366 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55508?

Key specifications for A-A-55508: Base Thickness: 0.219 INCHES NOMINAL IN; Terminal Type and Quantity: 2 SCREW; Current Carrying Rating in Amps: 30.0; Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED. 19 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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