PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ATM5Fuse,cartridge

Mersen Usa Ep Corp. Dba Ferraz Shawmut · NSN 5920-01-197-2569 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-197-2569 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-197-2569. Primary manufacturer part number: ATM5.
Features
  • Fuse,cartridge — FSC 5920
  • Body Style: TUBE TYPE
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Material: COPPER TERMINAL
  • Interruption Indicator Method: OPAQUE BODY
  • Overall Diameter: 0.406 INCHES NOMINAL IN
  • Precious Material and Location: TERMINAL SURFACES SILVER
  • Maximum Voltage Rating in Volts: 600.0 AC AND 600.0 DC
Applications
  • Applications requiring Copper Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-197-2569, 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 Mersen Usa Ep Corp. Dba Ferraz Shawmut. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-01-197-2569
Primary Part NumberATM5
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMersen Usa Ep Corp. Dba Ferraz Shawmut
StatusCANCELLED
Body StyleTUBE TYPE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
MaterialCOPPER TERMINAL
Interruption Indicator MethodOPAQUE BODY
Overall Diameter0.406 INCHES NOMINAL IN
Precious Material and LocationTERMINAL SURFACES SILVER
Maximum Voltage Rating in Volts600.0 AC AND 600.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Precious MaterialSILVER
Continuous Current Rating in Amps5.000
MaterialFIBER CASE
Surface TreatmentSILVER TERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5920-00-068-8251A6Y5-1 INTERCHANGEABLE
Fuse,cartridge
Mersen Usa Ep Corp. Dba Ferraz Shawmut
5910-00-649-2948 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5920-01-414-6983 INTERCHANGEABLE
Fuse,enclosed Link
5920-01-598-8905 INTERCHANGEABLE
Fuse,plug
Cross-Reference Index
Part NumberManufacturer
KLK5 Littelfuse, Inc. (USA)
A6Y5-2 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
A6Y5TYPECTM Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
MCL5 Federal Pacific Electric Co Economy Fuse Div (USA)
ATM5 PRIMARY Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
KTK5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
5365527 Naval Sea Systems Command (USA)
ATM5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-068-8251INTERCHANGEABLE
FUSE,CARTRIDGE
A6Y5-1
5910-00-649-2948INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5920-01-414-6983INTERCHANGEABLE
FUSE,ENCLOSED LINK
5920-01-598-8905INTERCHANGEABLE
FUSE,PLUG

Frequently Asked Questions

What is NSN 5920-01-197-2569?

NSN 5920-01-197-2569 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-01-197-2569?

NSN 5920-01-197-2569 has 8 cross-referenced part numbers: KLK5 (Littelfuse, Inc.), A6Y5-2 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), A6Y5TYPECTM (Mersen Usa Ep Corp. Dba Ferraz Shawmut), MCL5 (Federal Pacific Electric Co Economy Fuse Div), ATM5 (Mersen Usa Ep Corp. Dba Ferraz Shawmut) and 3 more.

What NSN replaces 5920-01-197-2569?

There are 4 known substitutes for 5920-01-197-2569: 5920-00-068-8251, 5910-00-649-2948, 5920-01-414-6983 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ATM5?

Key specifications for ATM5: Body Style: TUBE TYPE; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Overall Length: 1.500 INCHES NOMINAL IN; Material: COPPER TERMINAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-197-2569 still in active supply?

NSN 5920-01-197-2569 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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