PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MDM2Fuse,cartridge

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-00-221-4522 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-221-4522 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-221-4522. Primary manufacturer part number: MDM2.
Features
  • Fuse,cartridge — FSC 5920
  • Surface Treatment: NICKEL TERMINAL
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Continuous Current Rating in Amps: 2.000
  • Maximum Voltage Rating in Volts: 125.0 AC
  • Overall Diameter: 0.281 INCHES NOMINAL IN
  • Interruption Indicator Method: VISIBLE ELEMENT
  • Circuit Over-Current Interruption Type: TIME DELAY
Applications
  • Applications requiring Glass Case construction
General Description

The Fuse,cartridge, cataloged under National Stock Number 5920-00-221-4522, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-221-4522
Primary Part NumberMDM2
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusCANCELLED
Surface TreatmentNICKEL TERMINAL
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps2.000
Maximum Voltage Rating in Volts125.0 AC
Overall Diameter0.281 INCHES NOMINAL IN
Interruption Indicator MethodVISIBLE ELEMENT
Circuit Over-Current Interruption TypeTIME DELAY
Circuit Over-Current Interruption Delay Time in Seconds25.0 200 PCT OF CURRENT RATING AND 8.0 300 PCT OF CURRENT RATING AND 3.0 500 PCT OF CURRENT RATING
MaterialGLASS CASE
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2940-00-141-9026 INTERCHANGEABLE
Filter Element,fluid
5331-00-297-6045AS568B132 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4730-00-305-489491432 INTERCHANGEABLE
Plug,fuel Control
Hamilton Sundstrand Corporation Dba Collins Aerospace
5910-00-786-1581 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5920-00-819-4266 INTERCHANGEABLE
Block,telephone Protector
5310-00-833-2216 INTERCHANGEABLE
Washer,flat
4720-01-183-354824123 INTERCHANGEABLE
Hose,nonmetallic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5340-01-391-4498413002 INTERCHANGEABLE
Grille,metal
Trans Air Manufacturing Corporation Div Trans/air Mfg.
1220-01-493-9977MDM2 INTERCHANGEABLE
Scale,graphical Firing
Mildot Enterprises
Cross-Reference Index
Part NumberManufacturer
MDM2 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
5920PL1951291 Jednolity Indeks Materialowy - Uniform Material Index (POL)
8870-212000-275 Department of the Air Force (USA)
BA10082-95 Lucent Technologies Inc Advanced Technology Systems (USA)
880043 Itt Industries Inc Itt Aerospace Communications Div East (USA)
2026204-5 Itt Industries Inc Itt Aerospace Communications Div East (USA)
5920PL0890392 Jednolity Indeks Materialowy - Uniform Material Index (POL)
049-13 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
65K880866 Motorola Inc. Dba Integrated Information Systems Group (USA)
413002 Littelfuse, Inc. (USA)
G33P5008 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
65K880866 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
914-32 Jefferson Ray (USA)
Related Parts
2940-00-141-9026INTERCHANGEABLE
FILTER ELEMENT,FLUID
5331-00-297-6045INTERCHANGEABLE
O-RING
AS568B132
4730-00-305-4894INTERCHANGEABLE
PLUG,FUEL CONTROL
91432
5910-00-786-1581INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5920-00-819-4266INTERCHANGEABLE
BLOCK,TELEPHONE PROTECTOR
5310-00-833-2216INTERCHANGEABLE
WASHER,FLAT
4720-01-183-3548INTERCHANGEABLE
HOSE,NONMETALLIC
24123
5340-01-391-4498INTERCHANGEABLE
GRILLE,METAL
413002
1220-01-493-9977INTERCHANGEABLE
SCALE,GRAPHICAL FIRING
MDM2

Frequently Asked Questions

What is NSN 5920-00-221-4522?

NSN 5920-00-221-4522 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 5920-00-221-4522?

NSN 5920-00-221-4522 has 13 cross-referenced part numbers: MDM2 (Cooper Bussmann, Llc Dba Cooper Industries), 5920PL1951291 (Jednolity Indeks Materialowy - Uniform Material Index), 8870-212000-275 (Department of the Air Force), BA10082-95 (Lucent Technologies Inc Advanced Technology Systems), 880043 (Itt Industries Inc Itt Aerospace Communications Div East) and 8 more.

What NSN replaces 5920-00-221-4522?

There are 9 known substitutes for 5920-00-221-4522: 2940-00-141-9026, 5331-00-297-6045, 4730-00-305-4894 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MDM2?

Key specifications for MDM2: Surface Treatment: NICKEL TERMINAL; Overall Length: 1.250 INCHES NOMINAL IN; Features Provided: NONRENEWABLE FUSIBLE ELEMENT; Continuous Current Rating in Amps: 2.000. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-221-4522 still in active supply?

NSN 5920-00-221-4522 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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