PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4397Fuseholder,block

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-00-142-7458 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-142-7458 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-142-7458. Primary manufacturer part number: 4397.
Features
  • Fuseholder,block — FSC 5920
  • Surface Treatment: NICKEL CONTACT
  • Material: COPPER ALLOY CONTACT
  • Coating Method: PLATED CONTACT
  • Fuse Terminal Type Accommodated: FERRULE
  • Terminal Type and Quantity: 4 THREADED STUD
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 2
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-142-7458, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-142-7458
Primary Part Number4397
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Surface TreatmentNICKEL CONTACT
MaterialCOPPER ALLOY CONTACT
Coating MethodPLATED CONTACT
Fuse Terminal Type AccommodatedFERRULE
Terminal Type and Quantity4 THREADED STUD
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Fuse Accommodation Quantity2
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Body Width0.344 INCHES NOMINAL IN
Body Length0.250 INCHES NOMINAL IN
Body Height0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-487-7913661820 INTERCHANGEABLE
Reactor
Lockheed Martin Corporation Div Rms - Mitchel Field
5961-00-572-42842549118 INTERCHANGEABLE
Transistor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-721-25584397 INTERCHANGEABLE
Connector,plug,electrical
Souriau Usa, Inc. Dba Souriau Usa Inc
5330-01-188-92754397 INTERCHANGEABLE
Seal
Wilshire Corp
6130-01-463-11234397 INTERCHANGEABLE
Power Supply
Telcor Instruments Inc
7690-01-523-22344397 INTERCHANGEABLE
Marker,identification
Electromark
Cross-Reference Index
Part NumberManufacturer
4397 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
8800-574980-3 Department of the Air Force (USA)
Related Parts
5950-00-487-7913INTERCHANGEABLE
REACTOR
661820
5961-00-572-4284INTERCHANGEABLE
TRANSISTOR
2549118
5935-00-721-2558INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4397
5330-01-188-9275INTERCHANGEABLE
SEAL
4397
6130-01-463-1123INTERCHANGEABLE
POWER SUPPLY
4397
7690-01-523-2234INTERCHANGEABLE
MARKER,IDENTIFICATION
4397

Frequently Asked Questions

What is NSN 5920-00-142-7458?

NSN 5920-00-142-7458 is a Fuseholder,block, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-142-7458?

NSN 5920-00-142-7458 has 2 cross-referenced part numbers: 4397 (Cooper Bussmann, Llc Dba Cooper Industries), 8800-574980-3 (Department of the Air Force).

What NSN replaces 5920-00-142-7458?

There are 6 known substitutes for 5920-00-142-7458: 5950-00-487-7913, 5961-00-572-4284, 5935-00-721-2558 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4397?

Key specifications for 4397: Surface Treatment: NICKEL CONTACT; Material: COPPER ALLOY CONTACT; Coating Method: PLATED CONTACT; Fuse Terminal Type Accommodated: FERRULE. 14 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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