PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A50P125TY4Fuse,cartridge

Mersen Usa Ep Corp. Dba Ferraz Shawmut · NSN 5920-00-548-4425 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-548-4425 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-548-4425. Primary manufacturer part number: A50P125TY4.
Features
  • Fuse,cartridge — FSC 5920
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Surface Treatment: SILVER TERMINAL
  • Criticality Code Justification: ZZZY
  • Overall Diameter: 1.219 INCHES NOMINAL IN
  • Interruption Indicator Method: OPAQUE BODY
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Maximum Voltage Rating in Volts: 500.0 AC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-548-4425, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-548-4425
Primary Part NumberA50P125TY4
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMersen Usa Ep Corp. Dba Ferraz Shawmut
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Surface TreatmentSILVER TERMINAL
Criticality Code JustificationZZZY
Overall Diameter1.219 INCHES NOMINAL IN
Interruption Indicator MethodOPAQUE BODY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating in Volts500.0 AC
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Continuous Current Rating in Amps125.000
Mounting Hole Diameter0.312 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.875 INCHES NOMINAL IN
Terminal Thickness0.188 INCHES NOMINAL IN
Body StyleHOLE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-00-396-8339 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
A50P125TY4 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
A50P125-4 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
Related Parts
5920-00-396-8339INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5920-00-548-4425?

NSN 5920-00-548-4425 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 5920-00-548-4425?

NSN 5920-00-548-4425 has 2 cross-referenced part numbers: A50P125TY4 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), A50P125-4 (Mersen Usa Ep Corp. Dba Ferraz Shawmut).

What NSN replaces 5920-00-548-4425?

There is 1 known substitute for 5920-00-548-4425: 5920-00-396-8339. Verify interchangeability with system specifications before substitution.

What are the specifications of A50P125TY4?

Key specifications for A50P125TY4: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Surface Treatment: SILVER TERMINAL; Criticality Code Justification: ZZZY; Overall Diameter: 1.219 INCHES NOMINAL IN. 14 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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