PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FM02-3AFuse,cartridge

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5920-00-926-7445 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-926-7445 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-926-7445. Primary manufacturer part number: FM02-3A.
Features
  • Fuse,cartridge — FSC 5920
  • Test Data Document: 81349-MIL-F-23419 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.).
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Terminal Diameter: 0.025 INCHES NOMINAL IN
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Terminal Length: 0.170 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Diameter: 0.100 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-926-7445, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-926-7445
Primary Part NumberFM02-3A
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Test Data Document81349-MIL-F-23419 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.).
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Diameter0.025 INCHES NOMINAL IN
Overall Diameter0.250 INCHES NOMINAL IN
Terminal Length0.170 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Diameter0.100 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
Interruption Indicator MethodVISIBLE ELEMENT
Body Length0.348 INCHES NOMINAL IN
Continuous Current Rating in Amps3.000
Maximum Voltage Rating in Volts125.0 AC AND 125.0 DC
Surface TreatmentNICKEL TERMINAL
Body StylePLUG-IN TYPE
Specification/standard Data81349-MIL-F-23419/2J GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4460-00-690-038340518-1 INTERCHANGEABLE
Heater,catalyst Cha
Atlantic Research Corp
2915-00-802-9355405181 INTERCHANGEABLE
Plunger,dump Valve
Woodward, Inc. Div Fuel Systems and Controls
5920-00-916-7833273003 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
6515-01-103-9996405181 INTERCHANGEABLE
Needle,hypodermic
Becton Dickinson and Co Becton Dickinson Div
4710-01-204-981840518-1 INTERCHANGEABLE
Tube Assembly,metal
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
5365-01-205-8920405181 INTERCHANGEABLE
Spacer
Eaton Aerospace, Llc Dba Jackson South
5920-01-350-8640159-0266-00 INTERCHANGEABLE
Fuse,cartridge
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
FM02-3A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
273003 Cooper Bussmann, Llc Dba Cooper Industries (USA)
405181 American Telephone and Telegraph Co (USA)
5920PL1298189 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MIL-PRF-23419/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FM02B125V3A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FM02-125V3A Littelfuse, Inc. (USA)
FM02-125V3A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
224132-019 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
FM02A125V3A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-23419/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
000-8004-164 The Boeing Company Div Legacy Boeing Hb1 (USA)
M23419/2-019 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4460-00-690-0383INTERCHANGEABLE
HEATER,CATALYST CHA
40518-1
2915-00-802-9355INTERCHANGEABLE
PLUNGER,DUMP VALVE
405181
5920-00-916-7833INTERCHANGEABLE
FUSE,CARTRIDGE
273003
6515-01-103-9996INTERCHANGEABLE
NEEDLE,HYPODERMIC
405181
4710-01-204-9818INTERCHANGEABLE
TUBE ASSEMBLY,METAL
40518-1
5365-01-205-8920INTERCHANGEABLE
SPACER
405181
5920-01-350-8640INTERCHANGEABLE
FUSE,CARTRIDGE
159-0266-00

Frequently Asked Questions

What is NSN 5920-00-926-7445?

NSN 5920-00-926-7445 is a Fuse,cartridge, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-926-7445?

NSN 5920-00-926-7445 has 13 cross-referenced part numbers: FM02-3A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 273003 (Cooper Bussmann, Llc Dba Cooper Industries), 405181 (American Telephone and Telegraph Co), 5920PL1298189 (Jednolity Indeks Materialowy - Uniform Material Index), MIL-PRF-23419/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5920-00-926-7445?

There are 7 known substitutes for 5920-00-926-7445: 4460-00-690-0383, 2915-00-802-9355, 5920-00-916-7833 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FM02-3A?

Key specifications for FM02-3A: Test Data Document: 81349-MIL-F-23419 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.).; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Terminal Diameter: 0.025 INCHES NOMINAL IN. 15 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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