PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

226-1012P20Fuse,cartridge

Raytheon Company Div Corp · NSN 5920-00-131-9966 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-131-9966 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-131-9966. Primary manufacturer part number: 226-1012P20.
Features
  • Fuse,cartridge — FSC 5920
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • Material: COPPER TERMINAL
  • Interruption Indicator Method: OPAQUE BODY
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Features Provided: NONRENEWABLE FUSIBLE ELEMENT
  • Continuous Current Rating in Amps: 12.000
  • 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 5920-00-131-9966, 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 Raytheon Company Div Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-00-131-9966
Primary Part Number226-1012P20
Item NameFuse,cartridge
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusACTIVE
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
MaterialCOPPER TERMINAL
Interruption Indicator MethodOPAQUE BODY
Overall Diameter0.562 INCHES NOMINAL IN
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Continuous Current Rating in Amps12.000
Maximum Voltage Rating in Volts250.0 AC AND 250.0 DC
MaterialFIBER CASE
Surface TreatmentNICKEL TERMINAL
Body StyleTUBE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5920-00-131-9822416-6507-793147A INTERCHANGEABLE
Fuse,cartridge
Naval Sea Systems Command
5120-00-236-3722168-10 INTERCHANGEABLE
Hammer,hand
Vaughan & Bushnell Manufacturing Company
6685-00-531-44839602F-12R INTERCHANGEABLE
Manometer,vertical Tube
King Engineering Corporation Dba King-Gage Systems
4820-01-322-4706 INTERCHANGEABLE
Body,valve
Cross-Reference Index
Part NumberManufacturer
DEN12 Teledyne Monarch Rubber a Teledyne Inc Co (USA)
226-1012P20 PRIMARY Raytheon Company Div Corp (USA)
TR12 Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA)
FGN12 Appleton Electric Ltd (CAN)
FRN12 Cooper Bussmann, Llc Dba Cooper Industries (USA)
395-012 Sherjor Inc (USA)
ECN12 Federal Pacific Electric Co Economy Fuse Div (USA)
Related Parts
5920-00-131-9822INTERCHANGEABLE
FUSE,CARTRIDGE
416-6507-793147A
5120-00-236-3722INTERCHANGEABLE
HAMMER,HAND
168-10
6685-00-531-4483INTERCHANGEABLE
MANOMETER,VERTICAL TUBE
9602F-12R
4820-01-322-4706INTERCHANGEABLE
BODY,VALVE

Frequently Asked Questions

What is NSN 5920-00-131-9966?

NSN 5920-00-131-9966 is a Fuse,cartridge, manufactured by Raytheon Company Div Corp, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-00-131-9966?

NSN 5920-00-131-9966 has 7 cross-referenced part numbers: DEN12 (Teledyne Monarch Rubber a Teledyne Inc Co), 226-1012P20 (Raytheon Company Div Corp), TR12 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), FGN12 (Appleton Electric Ltd), FRN12 (Cooper Bussmann, Llc Dba Cooper Industries) and 2 more.

What NSN replaces 5920-00-131-9966?

There are 4 known substitutes for 5920-00-131-9966: 5920-00-131-9822, 5120-00-236-3722, 6685-00-531-4483 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 226-1012P20?

Key specifications for 226-1012P20: Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Material: COPPER TERMINAL; Overall Length: 2.000 INCHES NOMINAL IN; Interruption Indicator Method: OPAQUE BODY. 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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