PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

514050Fuse,cartridge

Littelfuse, Inc. · NSN 5920-00-557-6023 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-557-6023 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-557-6023. Primary manufacturer part number: 514050.
Features
  • Fuse,cartridge — FSC 5920
  • Interruption Indicator Method: OPAQUE BODY
  • Surface Treatment: NICKEL TERMINAL
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Maximum Voltage Rating in Volts: 32.0 AC AND 32.0 DC
  • Continuous Current Rating in Amps: 50.000
  • Overall Diameter: 0.406 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-557-6023, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-557-6023
Primary Part Number514050
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Interruption Indicator MethodOPAQUE BODY
Surface TreatmentNICKEL TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating in Volts32.0 AC AND 32.0 DC
Continuous Current Rating in Amps50.000
Overall Diameter0.406 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2610-00-051-4050514050 INTERCHANGEABLE
Tire,pneumatic,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
5905-00-073-1889GL1169C INTERCHANGEABLE
Resistor,variable,wire Wound,non
Rockwell Automation, Inc. Dba Rockwell Automation
5345-01-381-0788 INTERCHANGEABLE
Band,abrasive
Cross-Reference Index
Part NumberManufacturer
8451-5005 Raytheon Company Dba Raytheon (USA)
514050 PRIMARY Littelfuse, Inc. (USA)
F11D50R0A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1169B PRIMARY Littelfuse, Inc. (USA)
MILF15160 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ABU50 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
2610-00-051-4050INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
514050
5905-00-073-1889INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
GL1169C
5345-01-381-0788INTERCHANGEABLE
BAND,ABRASIVE

Frequently Asked Questions

What is NSN 5920-00-557-6023?

NSN 5920-00-557-6023 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 5920-00-557-6023?

NSN 5920-00-557-6023 has 6 cross-referenced part numbers: 8451-5005 (Raytheon Company Dba Raytheon), 514050 (Littelfuse, Inc.), F11D50R0A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1169B (Littelfuse, Inc.), MILF15160 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5920-00-557-6023?

There are 3 known substitutes for 5920-00-557-6023: 2610-00-051-4050, 5905-00-073-1889, 5345-01-381-0788. Verify interchangeability with system specifications before substitution.

What are the specifications of 514050?

Key specifications for 514050: Interruption Indicator Method: OPAQUE BODY; Surface Treatment: NICKEL TERMINAL; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Maximum Voltage Rating in Volts: 32.0 AC AND 32.0 DC. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-557-6023 still in active supply?

NSN 5920-00-557-6023 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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