PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

457003Fuseholder,block

Littelfuse, Inc. · NSN 5920-00-689-1533 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-689-1533 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-689-1533. Primary manufacturer part number: 457003.
Features
  • Fuseholder,block — FSC 5920
  • Voltage in Volts: 250.0
  • Fuse Accommodation Quantity: 3
  • Center to Center Distance Between Outside Mounting Holes Along Length: 0.625 INCHES NOMINAL IN
  • Mounting Hole Quantity: 2
  • Surface Treatment: SILVER CONTACT
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Material: COPPER ALLOY CONTACT
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-689-1533, 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 Littelfuse, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5920-00-689-1533
Primary Part Number457003
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusACTIVE
Voltage in Volts250.0
Fuse Accommodation Quantity3
Center to Center Distance Between Outside Mounting Holes Along Length0.625 INCHES NOMINAL IN
Mounting Hole Quantity2
Surface TreatmentSILVER CONTACT
Terminal Type and Quantity6 TAB, SOLDER LUG
MaterialCOPPER ALLOY CONTACT
Fuse Terminal Type AccommodatedFERRULE
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Internal Circuit Configuration and Pole Quantity3 POLE, MAINLINE, FUSED
Mounting Hole Diameter0.145 INCHES MAXIMUM IN
Base Thickness0.188 INCHES NOMINAL IN
Current Carrying Rating in Amps50.0
Body StyleCLIP CONNECTED TYPE
Mounting Hole StyleIN-LINE ALONG THE LENGTH
Accommodated Ferrule Diameter0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1620-00-024-6339 INTERCHANGEABLE
Barrel,steer Damper
5905-00-089-9621 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2530-00-112-0041F-4419 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5120-00-116-3159 INTERCHANGEABLE
Die,crimping Tool
5305-00-262-00594419 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
2530-00-274-45117411010 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
U S Army Tank Automotive Command Amsta-Im-Mm
5960-00-333-8174 INTERCHANGEABLE
Electron Tube
5120-00-409-52274419 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
2520-00-457-6660295035 INTERCHANGEABLE
Cap,dust,propeller Shaft
General Motors Corp
5895-00-494-66384419 INTERCHANGEABLE
Installation Kit,electronic Equi
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
457003 PRIMARY Littelfuse, Inc. (USA)
4419 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
1620-00-024-6339INTERCHANGEABLE
BARREL,STEER DAMPER
5905-00-089-9621INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2530-00-112-0041INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F-4419
5120-00-116-3159INTERCHANGEABLE
DIE,CRIMPING TOOL
5305-00-262-0059INTERCHANGEABLE
SCREW,SHOULDER
4419
2530-00-274-4511INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
7411010
5960-00-333-8174INTERCHANGEABLE
ELECTRON TUBE
5120-00-409-5227INTERCHANGEABLE
DIE,CRIMPING TOOL
4419
2520-00-457-6660INTERCHANGEABLE
CAP,DUST,PROPELLER SHAFT
295035
5895-00-494-6638INTERCHANGEABLE
INSTALLATION KIT,ELECTRONIC EQUI
4419
2915-00-686-5845INTERCHANGEABLE
BELLOWS ASSEMBLY,VENT VALVE
6240-00-733-2984INTERCHANGEABLE
LAMP,INCANDESCENT
310062

Frequently Asked Questions

What is NSN 5920-00-689-1533?

NSN 5920-00-689-1533 is a Fuseholder,block, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-689-1533?

NSN 5920-00-689-1533 has 2 cross-referenced part numbers: 457003 (Littelfuse, Inc.), 4419 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-00-689-1533?

There are 12 known substitutes for 5920-00-689-1533: 1620-00-024-6339, 5905-00-089-9621, 2530-00-112-0041 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 457003?

Key specifications for 457003: Voltage in Volts: 250.0; Fuse Accommodation Quantity: 3; Center to Center Distance Between Outside Mounting Holes Along Length: 0.625 INCHES NOMINAL IN; Mounting Hole Quantity: 2. 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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