PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312-062Fuse,cartridge

Littelfuse, Inc. · NSN 5920-00-221-4528 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-221-4528 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-221-4528. Primary manufacturer part number: 312-062.
Features
  • Fuse,cartridge — FSC 5920
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Material: COPPER OR COPPER ALLOY TERMINAL
  • Overall Diameter: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
  • Continuous Current Rating in Amps: 0.062
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-221-4528, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 14 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
NSN5920-00-221-4528
Primary Part Number312-062
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Interruption Indicator MethodVISIBLE ELEMENT
MaterialCOPPER OR COPPER ALLOY TERMINAL
Overall Diameter0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Continuous Current Rating in Amps0.062
MaterialGLASS CASE
Body StyleTUBE TYPE
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.).
Specification/standard Data81349-MIL-F-15160/2 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5920-00-080-2558 INTERCHANGEABLE
Fuse,cartridge
5920-00-142-4837042-01 INTERCHANGEABLE
Fuse,cartridge
Lockheed Martin Corporation Div Rms - Mitchel Field
3110-00-144-8662 INTERCHANGEABLE
Bearing,ball,annular
5920-00-319-0509312-062 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
2805-00-354-6392204-63 INTERCHANGEABLE
Ring Set,piston
Dresser Industries Inc Waukesha Engine Div
5920-00-518-3169313-062 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
6210-00-752-254325X0115 INTERCHANGEABLE
Fixture,lighting
Swivelier Company Inc Dba Point Electric Div
5945-01-148-3897312062 INTERCHANGEABLE
Contact Set,relay
Avtron Aerospace Inc
5935-01-586-721920463 INTERCHANGEABLE
Connector,receptacle,electrical
Mennekes Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
312-062 Littelfuse, Inc. (USA)
F02A250VI/16A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SMC208797-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
MS90078-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-15160/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5920002214528 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
F02A250V1/16A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BS-20463 British Sarozal Ltd (GBR)
4133700-55 Raytheon Company Dba Raytheon (USA)
2R78P3 Lockheed Martin Corporation Div Rms (USA)
10-0200-32-58-9 Siba Gmbh (DEU)
3AG1-16 Littelfuse, Inc. (USA)
76601-0-062A250V Siba Gmbh (DEU)
19100000A Ballantine Laboratories Inc (USA)
20463 Kleinschmidt Inc (USA)
312-062 Wickmann Werke Gmbh (DEU)
4133700-55 Raytheon Company Div Rmd Strategic (USA)
5L4811-001-02 Hensoldt Sensors Gmbh Div Seps (DEU)
Related Parts
5920-00-080-2558INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-142-4837INTERCHANGEABLE
FUSE,CARTRIDGE
042-01
3110-00-144-8662INTERCHANGEABLE
BEARING,BALL,ANNULAR
5920-00-319-0509INTERCHANGEABLE
FUSE,CARTRIDGE
312-062
2805-00-354-6392INTERCHANGEABLE
RING SET,PISTON
204-63
5920-00-518-3169INTERCHANGEABLE
FUSE,CARTRIDGE
313-062
6210-00-752-2543INTERCHANGEABLE
FIXTURE,LIGHTING
25X0115
5945-01-148-3897INTERCHANGEABLE
CONTACT SET,RELAY
312062
5935-01-586-7219INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
20463

Frequently Asked Questions

What is NSN 5920-00-221-4528?

NSN 5920-00-221-4528 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-221-4528?

NSN 5920-00-221-4528 has 18 cross-referenced part numbers: 312-062 (Littelfuse, Inc.), F02A250VI/16A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SMC208797-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), MS90078-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-15160/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 13 more.

What NSN replaces 5920-00-221-4528?

There are 9 known substitutes for 5920-00-221-4528: 5920-00-080-2558, 5920-00-142-4837, 3110-00-144-8662 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 312-062?

Key specifications for 312-062: Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Interruption Indicator Method: VISIBLE ELEMENT; Material: COPPER OR COPPER ALLOY TERMINAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-221-4528 still in active supply?

NSN 5920-00-221-4528 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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