PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55508Fuseholder,block

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5920-00-469-2648 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-469-2648 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-469-2648. Primary manufacturer part number: A-A-55508.
Features
  • Fuseholder,block — FSC 5920
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Precious Material and Location: CONTACT SURFACE SILVER
  • Material: COPPER ALLOY CONTACT
  • Material: PLASTIC BODY
  • Terminal Type and Quantity: 14 SCREW
  • Surface Treatment: SILVER CONTACT
  • Precious Material: SILVER
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-469-2648, 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 19 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-469-2648
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
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Precious Material and LocationCONTACT SURFACE SILVER
MaterialCOPPER ALLOY CONTACT
MaterialPLASTIC BODY
Terminal Type and Quantity14 SCREW
Surface TreatmentSILVER CONTACT
Precious MaterialSILVER
Base Thickness0.250 INCHES NOMINAL IN
Center to Center Distance Between Outside Mounting Holes Along Length4.970 INCHES NOMINAL IN
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Mounting Hole Quantity2
Mounting Hole StyleIN-LINE ALONG THE LENGTH
Internal Circuit Configuration and Pole Quantity7 POLE, MAINLINE, FUSED
Current Carrying Rating in Amps30.0
Fuse Terminal Type AccommodatedFERRULE
Voltage in Volts250.0
Mounting Hole Diameter0.230 INCHES NOMINAL IN
Fuse Accommodation Quantity7
Body StyleCLIP CONNECTED TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6685-00-595-53753835-7 INTERCHANGEABLE
Indicator,temperatu
Kahn and Company, Incorporated
5920-01-019-12462874270-7 INTERCHANGEABLE
Fuseholder,block
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-01-034-8029 INTERCHANGEABLE
Fuseholder,block
6105-01-053-7836004711 INTERCHANGEABLE
Motor,alternating Current
Hayden Inc
4820-01-154-627755-6007 INTERCHANGEABLE
Valve,check
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5920-01-171-7477 INTERCHANGEABLE
Fuseholder,block
5365-01-294-525138357 INTERCHANGEABLE
Spacer,ring
Williams International Co., L.l.c.
5920-01-482-4060 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
A-A-55508 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
3835-7 Cooper Bussmann, Llc Dba Cooper Industries (USA)
556007 Littelfuse, Inc. (USA)
2874270-7 Naval Sea Systems Command (USA)
084697 Mission Systems Davenport Inc. (USA)
AA55508-007 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
6685-00-595-5375INTERCHANGEABLE
INDICATOR,TEMPERATU
3835-7
5920-01-019-1246INTERCHANGEABLE
FUSEHOLDER,BLOCK
2874270-7
5920-01-034-8029INTERCHANGEABLE
FUSEHOLDER,BLOCK
6105-01-053-7836INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
004711
4820-01-154-6277INTERCHANGEABLE
VALVE,CHECK
55-6007
5920-01-171-7477INTERCHANGEABLE
FUSEHOLDER,BLOCK
5365-01-294-5251INTERCHANGEABLE
SPACER,RING
38357
5920-01-482-4060INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 5920-00-469-2648?

NSN 5920-00-469-2648 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 5920-00-469-2648?

NSN 5920-00-469-2648 has 6 cross-referenced part numbers: A-A-55508 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 3835-7 (Cooper Bussmann, Llc Dba Cooper Industries), 556007 (Littelfuse, Inc.), 2874270-7 (Naval Sea Systems Command), 084697 (Mission Systems Davenport Inc.) and 1 more.

What NSN replaces 5920-00-469-2648?

There are 8 known substitutes for 5920-00-469-2648: 6685-00-595-5375, 5920-01-019-1246, 5920-01-034-8029 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55508?

Key specifications for A-A-55508: Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN; Precious Material and Location: CONTACT SURFACE SILVER; Material: COPPER ALLOY CONTACT; Material: PLASTIC BODY. 22 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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