PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FLQ2Fuse,cartridge

Littelfuse, Inc. · NSN 5920-01-045-1484 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-045-1484 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-045-1484. Primary manufacturer part number: FLQ2.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: NICKEL TERMINAL
  • Interruption Indicator Method: OPAQUE BODY
  • Circuit Over-Current Interruption Delay Time in Seconds: 10.0 300 PCT OF CURRENT RATING
  • Overall Diameter: 0.402 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Material: COPPER OR COPPER ALLOY TERMINAL
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
Applications
  • Applications requiring Copper or Copper Alloy Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-045-1484, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-045-1484
Primary Part NumberFLQ2
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Surface TreatmentNICKEL TERMINAL
Interruption Indicator MethodOPAQUE BODY
Circuit Over-Current Interruption Delay Time in Seconds10.0 300 PCT OF CURRENT RATING
Overall Diameter0.402 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
Circuit Over-Current Interruption TypeTIME DELAY
MaterialCOPPER OR COPPER ALLOY TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps2.000
Maximum Voltage Rating in Volts500.0 AC AND 500.0 DC
MaterialCERAMIC CASE
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-115-304016672 INTERCHANGEABLE
Packing,preformed
Carrier Commercial Refrigeration, Inc. Dba Taylor Company Div Taylor Company, a Division of Carrier Commercial Refrigerati
5330-00-204-5280 INTERCHANGEABLE
Gasket
5340-00-240-237815631 INTERCHANGEABLE
Latch,rim
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
1620-00-348-390514030 INTERCHANGEABLE
Power Steering Unit,aircraft
Moog Inc
5950-00-647-648514030 INTERCHANGEABLE
Reactor
Magnetek Inc Lighting Products Group
2805-01-109-596013211E3121-2 INTERCHANGEABLE
Ring,piston
Cecom Lr Center
5330-01-272-990014030 INTERCHANGEABLE
Gasket
Brunswick Corp Us Marine Div
3020-01-602-880014030 INTERCHANGEABLE
Gear,spur
DP Manufacturing Inc.
8415-01-691-004614030 INTERCHANGEABLE
Support Set,accessory,ground Tro
Streamlight Inc Dba Streamlight Inc
1560-01-710-889814030 INTERCHANGEABLE
Window Panel,aircraft
Gkn Aerospace Transparency Systems Inc. Dba Gkn Aerospace Transparency Systems Inc Div Defense Business Line
Cross-Reference Index
Part NumberManufacturer
5617497 Naval Sea Systems Command (USA)
TRONFNQ-2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
FLQ2 PRIMARY Littelfuse, Inc. (USA)
ATQ2 Mersen Canada Toronto Inc (CAN)
ATQ2 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
FNQ-2 Cooper Bussmann, Llc Dba Cooper Industries (USA)
3230947-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3006N15P002 General Electric Co General Purpose Control Dept (USA)
FNQ500V/2A Cooper Bussmann, Llc Dba Cooper Industries (USA)
8007-022-1 Indal Technologies Inc (CAN)
14-030 Rapid Power Technologies Inc (USA)
Related Parts
5330-00-115-3040INTERCHANGEABLE
PACKING,PREFORMED
16672
5330-00-204-5280INTERCHANGEABLE
GASKET
5340-00-240-2378INTERCHANGEABLE
LATCH,RIM
15631
1620-00-348-3905INTERCHANGEABLE
POWER STEERING UNIT,AIRCRAFT
14030
5950-00-647-6485INTERCHANGEABLE
REACTOR
14030
2805-01-109-5960INTERCHANGEABLE
RING,PISTON
13211E3121-2
5330-01-272-9900INTERCHANGEABLE
GASKET
14030
3020-01-602-8800INTERCHANGEABLE
GEAR,SPUR
14030
8415-01-691-0046INTERCHANGEABLE
SUPPORT SET,ACCESSORY,GROUND TRO
14030
1560-01-710-8898INTERCHANGEABLE
WINDOW PANEL,AIRCRAFT
14030

Frequently Asked Questions

What is NSN 5920-01-045-1484?

NSN 5920-01-045-1484 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 5920-01-045-1484?

NSN 5920-01-045-1484 has 11 cross-referenced part numbers: 5617497 (Naval Sea Systems Command), TRONFNQ-2 (Cooper Bussmann, Llc Dba Cooper Industries), FLQ2 (Littelfuse, Inc.), ATQ2 (Mersen Canada Toronto Inc), ATQ2 (Mersen Usa Ep Corp. Dba Ferraz Shawmut) and 6 more.

What NSN replaces 5920-01-045-1484?

There are 10 known substitutes for 5920-01-045-1484: 5330-00-115-3040, 5330-00-204-5280, 5340-00-240-2378 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FLQ2?

Key specifications for FLQ2: Surface Treatment: NICKEL TERMINAL; Overall Length: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN; Interruption Indicator Method: OPAQUE BODY; Circuit Over-Current Interruption Delay Time in Seconds: 10.0 300 PCT OF CURRENT RATING. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-045-1484 still in active supply?

NSN 5920-01-045-1484 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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