PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L5621AFuse,cartridge

Ets Lindgren Limited · NSN 5920-00-840-7974 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-840-7974 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-840-7974. Primary manufacturer part number: L5621A.
Features
  • Fuse,cartridge — FSC 5920
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Continuous Current Rating in Amps: 1.000
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Overall Diameter: 0.187 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 250.0 AC AND 120.0 DC
  • Material: GLASS CASE
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-840-7974, 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 Ets Lindgren Limited. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-840-7974
Primary Part NumberL5621A
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerEts Lindgren Limited
StatusCANCELLED
Interruption Indicator MethodVISIBLE ELEMENT
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps1.000
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Overall Diameter0.187 INCHES NOMINAL IN
Maximum Voltage Rating in Volts250.0 AC AND 120.0 DC
MaterialGLASS CASE
Body StyleTUBE TYPE
Surface TreatmentNICKEL TERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5999-00-194-77471221 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
3110-00-198-2234 INTERCHANGEABLE
Cam Follower,needle Bearing
5920-00-845-5842L754-1 INTERCHANGEABLE
Fuse,cartridge
Dialight Europe Limited
4720-00-990-168726523 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6680-01-031-9659M58 INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5340-01-213-3995M-58 INTERCHANGEABLE
Plunger,quick Release
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
Cross-Reference Index
Part NumberManufacturer
L562-1AMP Dialight Europe Limited (GBR)
L561A Ets Lindgren Limited (GBR)
M58 Morgan Industrial Carbon (AUS)
264-0678-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
L562-1 Dialight Europe Limited (GBR)
40-615-121-04 Ge Aviation Systems Ltd (GBR)
L5621A PRIMARY Ets Lindgren Limited (GBR)
L562-1-0AMP Littelfuse, Inc. (USA)
M58-1AMP Morgan Industrial Carbon (AUS)
Related Parts
5999-00-194-7747INTERCHANGEABLE
CLIP,ELECTRICAL
1221
3110-00-198-2234INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
5920-00-845-5842INTERCHANGEABLE
FUSE,CARTRIDGE
L754-1
4720-00-990-1687INTERCHANGEABLE
HOSE,PREFORMED
26523
6680-01-031-9659INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
M58
5340-01-213-3995INTERCHANGEABLE
PLUNGER,QUICK RELEASE
M-58

Frequently Asked Questions

What is NSN 5920-00-840-7974?

NSN 5920-00-840-7974 is a Fuse,cartridge, manufactured by Ets Lindgren Limited, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-840-7974?

NSN 5920-00-840-7974 has 9 cross-referenced part numbers: L562-1AMP (Dialight Europe Limited), L561A (Ets Lindgren Limited), M58 (Morgan Industrial Carbon), 264-0678-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), L562-1 (Dialight Europe Limited) and 4 more.

What NSN replaces 5920-00-840-7974?

There are 6 known substitutes for 5920-00-840-7974: 5999-00-194-7747, 3110-00-198-2234, 5920-00-845-5842 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L5621A?

Key specifications for L5621A: Interruption Indicator Method: VISIBLE ELEMENT; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Continuous Current Rating in Amps: 1.000; Overall Length: 0.609 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-840-7974 still in active supply?

NSN 5920-00-840-7974 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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