PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MDL-1 1/4Fuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-433-1337 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-433-1337 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-433-1337. Primary manufacturer part number: MDL-1 1/4.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: NICKEL TERMINAL
  • Continuous Current Rating in Amps: 1.250
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Maximum Voltage Rating in Volts: 250.0 AC
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Material: GLASS CASE
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-01-433-1337, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-433-1337
Primary Part NumberMDL-1 1/4
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Surface TreatmentNICKEL TERMINAL
Continuous Current Rating in Amps1.250
Interruption Indicator MethodVISIBLE ELEMENT
Maximum Voltage Rating in Volts250.0 AC
Circuit Over-Current Interruption TypeTIME DELAY
Overall Diameter0.250 INCHES NOMINAL IN
MaterialGLASS CASE
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-00-156-7375 INTERCHANGEABLE
Fuse,cartridge
5920-00-296-3392MDL1 1-4 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
Cross-Reference Index
Part NumberManufacturer
MDL-1 1/4 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-156-7375INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-296-3392INTERCHANGEABLE
FUSE,CARTRIDGE
MDL1 1-4

Frequently Asked Questions

What is NSN 5920-01-433-1337?

NSN 5920-01-433-1337 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-433-1337?

NSN 5920-01-433-1337 has 1 cross-referenced part number: MDL-1 1/4 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5920-01-433-1337?

There are 2 known substitutes for 5920-01-433-1337: 5920-00-156-7375, 5920-00-296-3392. Verify interchangeability with system specifications before substitution.

What are the specifications of MDL-1 1/4?

Key specifications for MDL-1 1/4: Surface Treatment: NICKEL TERMINAL; Continuous Current Rating in Amps: 1.250; Interruption Indicator Method: VISIBLE ELEMENT; Maximum Voltage Rating in Volts: 250.0 AC. 9 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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