PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A60X300-4Fuse,cartridge

Mersen Usa Ep Corp. Dba Ferraz Shawmut · NSN 5920-00-333-9973 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-333-9973 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-333-9973. Primary manufacturer part number: A60X300-4.
Features
  • Fuse,cartridge — FSC 5920
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.062 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 600.0 AC AND 600.0 DC
  • Terminal Thickness: 0.250 INCHES NOMINAL IN
  • Interruption Indicator Method: OPAQUE BODY
  • Body Style: HOLE TYPE
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-333-9973, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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
NSN5920-00-333-9973
Primary Part NumberA60X300-4
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerMersen Usa Ep Corp. Dba Ferraz Shawmut
StatusACTIVE
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Center to Center Distance Between Mounting Facilities Parallel to Length4.062 INCHES NOMINAL IN
Maximum Voltage Rating in Volts600.0 AC AND 600.0 DC
Terminal Thickness0.250 INCHES NOMINAL IN
Interruption Indicator MethodOPAQUE BODY
Body StyleHOLE TYPE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Mounting Slot Width0.406 INCHES NOMINAL IN
Continuous Current Rating in Amps300.000
Overall Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5895-00-546-5415102228 INTERCHANGEABLE
Generator-Oscillato
Aimtron Systems, Llc
5930-00-917-777010111748 INTERCHANGEABLE
Switch,rotary
Us Army Aviation and Missile Command
6110-01-372-2575 INTERCHANGEABLE
Control-Indicator Subassembly
5910-01-413-5824102228 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Wavetek Rf Products, Inc
5920-01-485-3990128304002 INTERCHANGEABLE
Fuse,cartridge
U S Dept of Transportation Federal Aviation Administration
5315-01-673-6452102228 INTERCHANGEABLE
Pin,straight,headed
The Caldwell Group, Inc.
Cross-Reference Index
Part NumberManufacturer
RFS300 Federal Pacific Electric Co Economy Fuse Div (USA)
SCD102228 Marine Electric Systems Inc (USA)
A60X300-4 PRIMARY Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
A060FB300DBA Carbone-Ferraz Inc (USA)
KLC300 Littelfuse, Inc. (USA)
128304002 Eaton Corporation (USA)
A60X300 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
H2195-1106-38 Marine Electric Systems Inc (USA)
102228 Marine Electric Systems Inc (USA)
KAC300 Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5895-00-546-5415INTERCHANGEABLE
GENERATOR-OSCILLATO
102228
5930-00-917-7770INTERCHANGEABLE
SWITCH,ROTARY
10111748
6110-01-372-2575INTERCHANGEABLE
CONTROL-INDICATOR SUBASSEMBLY
5910-01-413-5824INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
102228
5920-01-485-3990INTERCHANGEABLE
FUSE,CARTRIDGE
128304002
5315-01-673-6452INTERCHANGEABLE
PIN,STRAIGHT,HEADED
102228

Frequently Asked Questions

What is NSN 5920-00-333-9973?

NSN 5920-00-333-9973 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 5920-00-333-9973?

NSN 5920-00-333-9973 has 10 cross-referenced part numbers: RFS300 (Federal Pacific Electric Co Economy Fuse Div), SCD102228 (Marine Electric Systems Inc), A60X300-4 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), A060FB300DBA (Carbone-Ferraz Inc), KLC300 (Littelfuse, Inc.) and 5 more.

What NSN replaces 5920-00-333-9973?

There are 6 known substitutes for 5920-00-333-9973: 5895-00-546-5415, 5930-00-917-7770, 6110-01-372-2575 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A60X300-4?

Key specifications for A60X300-4: Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.062 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 600.0 AC AND 600.0 DC; Terminal Thickness: 0.250 INCHES NOMINAL IN. 11 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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