PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6Y5-1Fuse,cartridge

Mersen Usa Ep Corp. Dba Ferraz Shawmut · NSN 5920-00-068-8251 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-068-8251 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-068-8251. Primary manufacturer part number: A6Y5-1.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: SILVER TERMINAL
  • Body Style: TUBE TYPE
  • Material: PLASTIC MELAMINE BODY
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Interruption Indicator Method: OPAQUE BODY
  • Continuous Current Rating in Amps: 5.000
Applications
  • Applications requiring Plastic Melamine Body construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-068-8251, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-068-8251
Primary Part NumberA6Y5-1
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMersen Usa Ep Corp. Dba Ferraz Shawmut
StatusACTIVE
Surface TreatmentSILVER TERMINAL
Body StyleTUBE TYPE
MaterialPLASTIC MELAMINE BODY
Overall Diameter0.812 INCHES NOMINAL IN
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Interruption Indicator MethodOPAQUE BODY
Continuous Current Rating in Amps5.000
Maximum Voltage Rating in Volts600.0 AC AND 600.0 DC
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Precious Material and LocationTERMINAL SURFACE SILVER
Precious MaterialSILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5920-00-064-2374ATM15 INTERCHANGEABLE
Fuse,cartridge
Mersen Usa Ep Corp. Dba Ferraz Shawmut
3040-00-782-8676100906 INTERCHANGEABLE
Collar,shaft
Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
5905-00-943-7537500-8515 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Vishay Sprague Inc
5920-01-197-2569ATM5 INTERCHANGEABLE
Fuse,cartridge
Mersen Usa Ep Corp. Dba Ferraz Shawmut
5975-01-398-39281009.06 INTERCHANGEABLE
Stuffing Tube
Agro
5920-01-598-8905 INTERCHANGEABLE
Fuse,plug
Cross-Reference Index
Part NumberManufacturer
12-749351-05 Emerson Electric Co Computer Power Div (USA)
A6Y5-1 PRIMARY Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
MCL5 Challenger Electrical Equipment Corp (USA)
A6Y15 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
MCL-5 Federal Pacific Electric Co Economy Fuse Div (USA)
44-1281-13 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
5920PL1339406 Jednolity Indeks Materialowy - Uniform Material Index (POL)
KTK 5 Klockner-Moeller Corp (USA)
KTK-5 Cooper Bussmann, Llc Dba Cooper Industries (USA)
100906 Champion Industries Inc. (USA)
24-092F00M00R00 Concurrent Computer Corporation (USA)
A6Y5 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
Related Parts
5920-00-064-2374INTERCHANGEABLE
FUSE,CARTRIDGE
ATM15
3040-00-782-8676INTERCHANGEABLE
COLLAR,SHAFT
100906
5905-00-943-7537INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
500-8515
5920-01-197-2569INTERCHANGEABLE
FUSE,CARTRIDGE
ATM5
5975-01-398-3928INTERCHANGEABLE
STUFFING TUBE
1009.06
5920-01-598-8905INTERCHANGEABLE
FUSE,PLUG

Frequently Asked Questions

What is NSN 5920-00-068-8251?

NSN 5920-00-068-8251 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-068-8251?

NSN 5920-00-068-8251 has 12 cross-referenced part numbers: 12-749351-05 (Emerson Electric Co Computer Power Div), A6Y5-1 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), MCL5 (Challenger Electrical Equipment Corp), A6Y15 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), MCL-5 (Federal Pacific Electric Co Economy Fuse Div) and 7 more.

What NSN replaces 5920-00-068-8251?

There are 6 known substitutes for 5920-00-068-8251: 5920-00-064-2374, 3040-00-782-8676, 5905-00-943-7537 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A6Y5-1?

Key specifications for A6Y5-1: Surface Treatment: SILVER TERMINAL; Body Style: TUBE TYPE; Material: PLASTIC MELAMINE BODY; Overall Diameter: 0.812 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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