PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MDF6-1-4Fuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-00-974-4381 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-974-4381 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-974-4381. Primary manufacturer part number: MDF6-1-4.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: NICKEL TERMINAL
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Circuit Over-Current Interruption Type: TIME DELAY
  • Criticality Code Justification: FEAT
  • Circuit Over-Current Interruption Delay Time in Seconds: 6.0 300 PCT OF CURRENT RATING
  • Material: COPPER TERMINAL
  • Maximum Voltage Rating in Volts: 250.0 AC AND 250.0 DC
Applications
  • Applications requiring Copper Terminal construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-974-4381, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-974-4381
Primary Part NumberMDF6-1-4
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusCANCELLED
Surface TreatmentNICKEL TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Circuit Over-Current Interruption TypeTIME DELAY
Criticality Code JustificationFEAT
Circuit Over-Current Interruption Delay Time in Seconds6.0 300 PCT OF CURRENT RATING
MaterialCOPPER TERMINAL
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
Interruption Indicator MethodOPAQUE BODY
Continuous Current Rating in Amps6.250
Overall Diameter0.250 INCHES NOMINAL IN
MaterialPLASTIC MELAMINE CASE
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-052-4652MSSSP110-TY 2 CL 600 ST 3 SZ 1.5 INTERCHANGEABLE
Valve,ball
Sae International Dba Sae International
5340-00-143-5206 INTERCHANGEABLE
Cover,access
4730-00-199-3552 INTERCHANGEABLE
Nipple,pipe
5360-00-218-820621-161 INTERCHANGEABLE
Spring,brake Retracting
Goodrich Corporation
5315-00-221-72295190442 INTERCHANGEABLE
Pin,straight,headless
Rolls-Royce Solutions America Inc
5310-00-402-46227306C INTERCHANGEABLE
Washer,flat
Gc/waldom Inc
3040-00-488-8397 INTERCHANGEABLE
Gearshaft,spur
5996-00-725-2690714544-805 INTERCHANGEABLE
Amplifier,direct Current
Raytheon Company Dba Raytheon
5950-00-736-8820 INTERCHANGEABLE
Transformer,discriminator
2910-01-024-7460NW21161 INTERCHANGEABLE
Pump,fuel,cam Actuated
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
2110-0023 Hewlett-Packard Company Dba HP (USA)
MDF6-1-4 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
2110-0023 Keysight Technologies, Inc. (USA)
MDF6 1/4 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
524BS720 Keysight Technologies, Inc. (USA)
MDF6 1-4 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
666068-111 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
MDF625 Cooper Bussmann, Llc Dba Cooper Industries (USA)
524BS720 Hewlett-Packard Company Dba HP (USA)
211-61 Hewlett-Packard Company Dba HP (USA)
MFD6-25 Cooper Bussmann, Llc Dba Cooper Industries (USA)
246080 Northrop Grumman Systems Corporation (USA)
524BS720 Keysight Technologies Inc (USA)
2110-0023 PRIMARY Keysight Technologies Inc (USA)
Related Parts
4820-00-052-4652INTERCHANGEABLE
VALVE,BALL
MSSSP110-TY 2 CL 600 ST 3 SZ 1.5
5340-00-143-5206INTERCHANGEABLE
COVER,ACCESS
4730-00-199-3552INTERCHANGEABLE
NIPPLE,PIPE
5360-00-218-8206INTERCHANGEABLE
SPRING,BRAKE RETRACTING
21-161
5315-00-221-7229INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5190442
5310-00-402-4622INTERCHANGEABLE
WASHER,FLAT
7306C
3040-00-488-8397INTERCHANGEABLE
GEARSHAFT,SPUR
5996-00-725-2690INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
714544-805
5950-00-736-8820INTERCHANGEABLE
TRANSFORMER,DISCRIMINATOR
2910-01-024-7460INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
NW21161
5305-01-095-3958INTERCHANGEABLE
SCREW,MACHINE
21161-2
6685-01-112-2334INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
12300128

Frequently Asked Questions

What is NSN 5920-00-974-4381?

NSN 5920-00-974-4381 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-974-4381?

NSN 5920-00-974-4381 has 14 cross-referenced part numbers: 2110-0023 (Hewlett-Packard Company Dba HP), MDF6-1-4 (Cooper Bussmann, Llc Dba Cooper Industries), 2110-0023 (Keysight Technologies, Inc.), MDF6 1/4 (Cooper Bussmann, Llc Dba Cooper Industries), 524BS720 (Keysight Technologies, Inc.) and 9 more.

What NSN replaces 5920-00-974-4381?

There are 12 known substitutes for 5920-00-974-4381: 4820-00-052-4652, 5340-00-143-5206, 4730-00-199-3552 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MDF6-1-4?

Key specifications for MDF6-1-4: Surface Treatment: NICKEL TERMINAL; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Circuit Over-Current Interruption Type: TIME DELAY; Criticality Code Justification: FEAT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-974-4381 still in active supply?

NSN 5920-00-974-4381 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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