PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

266-500Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-046-0213 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-046-0213 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-046-0213. Primary manufacturer part number: 266-500.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: SOLDER TERMINAL
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Terminal Diameter: 0.025 INCHES NOMINAL IN
  • Overall Diameter: 0.093 INCHES NOMINAL IN
  • Terminal Length: 1.500 INCHES NOMINAL IN
  • Continuous Current Rating in Amps: 0.500
  • Interruption Indicator Method: HOLE BLOWN IN LABEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-046-0213, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5920-01-046-0213
Primary Part Number266-500
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Surface TreatmentSOLDER TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Terminal Diameter0.025 INCHES NOMINAL IN
Overall Diameter0.093 INCHES NOMINAL IN
Terminal Length1.500 INCHES NOMINAL IN
Continuous Current Rating in Amps0.500
Interruption Indicator MethodHOLE BLOWN IN LABEL
Maximum Voltage Rating in Volts125.0 DC
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Body StyleTANGENT LEADS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5920-00-059-3543276-500 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
2835-00-963-115826650-0 INTERCHANGEABLE
Housing,governor
Rtx Corporation Div Pratt & Whitney
5315-01-437-3255266500 INTERCHANGEABLE
Pin,straight,headless
Elbit Systems of America - Night Vision Llc
Cross-Reference Index
Part NumberManufacturer
272753-001 E I L Instruments Canada Ltd (CAN)
FFM-00-500 Veeco Instruments Inc Lambda Div (USA)
266-500 PRIMARY Littelfuse, Inc. (USA)
Related Parts
5920-00-059-3543INTERCHANGEABLE
FUSE,CARTRIDGE
276-500
2835-00-963-1158INTERCHANGEABLE
HOUSING,GOVERNOR
26650-0
5315-01-437-3255INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
266500

Frequently Asked Questions

What is NSN 5920-01-046-0213?

NSN 5920-01-046-0213 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 5920-01-046-0213?

NSN 5920-01-046-0213 has 3 cross-referenced part numbers: 272753-001 (E I L Instruments Canada Ltd), FFM-00-500 (Veeco Instruments Inc Lambda Div), 266-500 (Littelfuse, Inc.).

What NSN replaces 5920-01-046-0213?

There are 3 known substitutes for 5920-01-046-0213: 5920-00-059-3543, 2835-00-963-1158, 5315-01-437-3255. Verify interchangeability with system specifications before substitution.

What are the specifications of 266-500?

Key specifications for 266-500: Surface Treatment: SOLDER TERMINAL; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Terminal Diameter: 0.025 INCHES NOMINAL IN; Overall Diameter: 0.093 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-046-0213 still in active supply?

NSN 5920-01-046-0213 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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