PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0T3Fuse,cartridge

Challenger Electrical Equipment Corp · NSN 5920-00-050-0544 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-050-0544 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-050-0544. Primary manufacturer part number: 0T3.
Features
  • Fuse,cartridge — FSC 5920
  • Continuous Current Rating in Amps: 3.000
  • Interruption Indicator Method: OPAQUE BODY
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Surface Treatment: NICKEL TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-050-0544, 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 Challenger Electrical Equipment Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-050-0544
Primary Part Number0T3
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerChallenger Electrical Equipment Corp
StatusCANCELLED
Continuous Current Rating in Amps3.000
Interruption Indicator MethodOPAQUE BODY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter0.562 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Surface TreatmentNICKEL TERMINAL
Test Data Document81349-MIL-F-15160 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Body StyleTUBE TYPE
Specification/standard Data81349-MIL-F-15160/15 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5330-00-425-242661118 INTERCHANGEABLE
Seal,spindle
Dressta North America Ltd
5910-00-443-83294374-002 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Wems Inc Div Wems Electronics
5920-00-981-5787 INTERCHANGEABLE
Fuse,cartridge
6210-00-987-94780T23 INTERCHANGEABLE
Lens,light
Eaton Corporation Dba Eaton Inoac
5975-01-174-3601OT-3 INTERCHANGEABLE
Conduit Outlet
Killark Electric Mfg Co
6210-01-192-291510250T2CN INTERCHANGEABLE
Lens,light
Eaton Corporation Dba Eaton Inoac
5945-01-218-56455827984 INTERCHANGEABLE
Relay,solid State
Naval Sea Systems Command
6110-01-407-7820OT3 INTERCHANGEABLE
Switching Unit,power Transfer
Cummins Power Generation Inc.
5999-01-450-429661-118 INTERCHANGEABLE
Panel,radio Frequency-Electromag
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
Cross-Reference Index
Part NumberManufacturer
0T3 Challenger Electrical Equipment Corp (USA)
104X109AA001 General Electric Co Speed Variator Products Operation (USA)
F15G3R004 I-T-E Imperial Corp Subsidiary of Gould Inc Brooklyn Asc (USA)
1-722329-2 Elwell-Parker Electric Co (USA)
NON-3 General Electric Company (USA)
62-3 Ware Fuse Corp (USA)
2001 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
N0N3 Cooper Bussmann, Llc Dba Cooper Industries (USA)
E0N-3 Cooper Bussmann, Llc Dba Cooper Industries (USA)
MIL-PRF-15160/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
OT3 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
611-18 Eaton Corp Opns & Technical Center (USA)
SH220 Mekontrol Inc (USA)
WF791 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
15566E6N0N3P Process Supply Inc Dba Defense Products International (USA)
MIL-F-15160/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CSC0T3 General Electric Co Outdoor Breaker Business Section (USA)
279031-A23 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
0T3-3A Shawmut Mills Div Wyner R H Associates Inc (USA)
E0N3 Federal Pacific Electric Co Economy Fuse Div (USA)
Related Parts
5330-00-425-2426INTERCHANGEABLE
SEAL,SPINDLE
61118
5910-00-443-8329INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4374-002
5920-00-981-5787INTERCHANGEABLE
FUSE,CARTRIDGE
6210-00-987-9478INTERCHANGEABLE
LENS,LIGHT
0T23
5975-01-174-3601INTERCHANGEABLE
CONDUIT OUTLET
OT-3
6210-01-192-2915INTERCHANGEABLE
LENS,LIGHT
10250T2CN
5945-01-218-5645INTERCHANGEABLE
RELAY,SOLID STATE
5827984
6110-01-407-7820INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
OT3
5999-01-450-4296INTERCHANGEABLE
PANEL,RADIO FREQUENCY-ELECTROMAG
61-118

Frequently Asked Questions

What is NSN 5920-00-050-0544?

NSN 5920-00-050-0544 is a Fuse,cartridge, manufactured by Challenger Electrical Equipment Corp, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-050-0544?

NSN 5920-00-050-0544 has 24 cross-referenced part numbers: 0T3 (Challenger Electrical Equipment Corp), 104X109AA001 (General Electric Co Speed Variator Products Operation), F15G3R004 (I-T-E Imperial Corp Subsidiary of Gould Inc Brooklyn Asc), 1-722329-2 (Elwell-Parker Electric Co), NON-3 (General Electric Company) and 19 more.

What NSN replaces 5920-00-050-0544?

There are 9 known substitutes for 5920-00-050-0544: 5330-00-425-2426, 5910-00-443-8329, 5920-00-981-5787 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0T3?

Key specifications for 0T3: Continuous Current Rating in Amps: 3.000; Interruption Indicator Method: OPAQUE BODY; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Overall Diameter: 0.562 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-050-0544 still in active supply?

NSN 5920-00-050-0544 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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