PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21802.5Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-120-3823 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-120-3823 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-120-3823. Primary manufacturer part number: 21802.5.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: TUBE TYPE
  • Surface Treatment: NICKEL TERMINAL
  • Material: GLASS CASE
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING
  • Overall Diameter: 0.197 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: TIME DELAY
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-120-3823, 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 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-120-3823
Primary Part Number21802.5
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Body StyleTUBE TYPE
Surface TreatmentNICKEL TERMINAL
MaterialGLASS CASE
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption Delay Time in Seconds12.0 200 PCT OF CURRENT RATING
Overall Diameter0.197 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeTIME DELAY
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Continuous Current Rating in Amps2.500
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6150-00-035-3126213025 INTERCHANGEABLE
Cable Assembly,special Purpose,e
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
6640-00-409-90002130-25 INTERCHANGEABLE
Buret,laboratory
Corning Inc Dba Corning Incorporated Div Specialty Materials
5342-00-480-847321302-5 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
4320-00-684-6070AA19529B INTERCHANGEABLE
Pump Unit,reciprocating
Eaton Aerospace, Llc Dba Jackson South
2815-01-143-4140218025 INTERCHANGEABLE
Ring,piston
Cummins Inc.
6515-01-260-1178218-025 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3230-01-327-3726 INTERCHANGEABLE
Bit,router
5920-01-419-4265490085021 INTERCHANGEABLE
Fuse,cartridge
Alfa Laval Inc
4730-01-478-0490218025 INTERCHANGEABLE
Clamp,hose
Cadillac Gage Textron Inc.
5920-01-512-8064 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
13391669 Lockheed Martin Corporation (USA)
5ST2.5 Bel Fuse Inc (USA)
S503-2.5A Cooper Bussmann Uk Ltd (GBR)
13391669 Us Army Aviation and Missile Command (USA)
F286-2.5A Bulgin Components Plc (GBR)
7182953-10 L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA)
ASC1562265 Asc Pty Ltd (AUS)
19595-2.5A Wickmann Usa Inc (USA)
21302.5 Littelfuse, Inc. (USA)
21802.5 PRIMARY Littelfuse, Inc. (USA)
4900850-21 Alfa Laval Inc (USA)
ET2.5A San-O Industrial Corp (USA)
GDC-2.5A Cooper Bussmann, Llc Dba Cooper Industries (USA)
034.3121 Schurter, Inc. Dba Schurter Inc (USA)
Related Parts
6150-00-035-3126INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
213025
6640-00-409-9000INTERCHANGEABLE
BURET,LABORATORY
2130-25
5342-00-480-8473INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
21302-5
4320-00-684-6070INTERCHANGEABLE
PUMP UNIT,RECIPROCATING
AA19529B
2815-01-143-4140INTERCHANGEABLE
RING,PISTON
218025
6515-01-260-1178INTERCHANGEABLE
SCREW,BONE
218-025
3230-01-327-3726INTERCHANGEABLE
BIT,ROUTER
5920-01-419-4265INTERCHANGEABLE
FUSE,CARTRIDGE
490085021
4730-01-478-0490INTERCHANGEABLE
CLAMP,HOSE
218025
5920-01-512-8064INTERCHANGEABLE
FUSE,CARTRIDGE
6515-01-560-2761INTERCHANGEABLE
SCREW,BONE
218.025

Frequently Asked Questions

What is NSN 5920-01-120-3823?

NSN 5920-01-120-3823 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 5920-01-120-3823?

NSN 5920-01-120-3823 has 14 cross-referenced part numbers: 13391669 (Lockheed Martin Corporation), 5ST2.5 (Bel Fuse Inc), S503-2.5A (Cooper Bussmann Uk Ltd), 13391669 (Us Army Aviation and Missile Command), F286-2.5A (Bulgin Components Plc) and 9 more.

What NSN replaces 5920-01-120-3823?

There are 11 known substitutes for 5920-01-120-3823: 6150-00-035-3126, 6640-00-409-9000, 5342-00-480-8473 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21802.5?

Key specifications for 21802.5: Body Style: TUBE TYPE; Surface Treatment: NICKEL TERMINAL; Material: GLASS CASE; Interruption Indicator Method: VISIBLE ELEMENT. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-120-3823 still in active supply?

NSN 5920-01-120-3823 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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