PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1305-A891Cartridge,20 Millimeter

Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics · NSN 1305-00-132-3283 · FSC 1305 · No Item Name Available
Verified by PartsTable
NSN 1305-00-132-3283 — this item is cataloged by the U.S. Government under National Stock Number 1305-00-132-3283. Primary manufacturer part number: 1305-A891.
Features
  • Cartridge,20 Millimeter — FSC 1305
  • Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
  • Detonation Initiation Method: ELECTRIC
  • Dot Registration Code: EX1988120377
  • Gross Weight: 144.0 SHIPPING CONTAINER POUNDS AND 3580.0 PALLET POUNDS
  • Weapon for Which Designed: GUN, M61 SERIES AND GUN T171
  • Material: COPPER ALLOY CARTRIDGE CASE
  • Unable to Decode: UNABLE TO DECODE
Applications
  • Applications requiring Copper Alloy Cartridge Case construction
General Description

The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-00-132-3283, is classified within Federal Supply Class 1305 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN1305-00-132-3283
Primary Part Number1305-A891
Item NameCartridge,20 Millimeter
FSC / FSG1305 / 13 — No Item Name Available
ManufacturerDepartment of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics
StatusACTIVE
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Detonation Initiation MethodELECTRIC
Dot Registration CodeEX1988120377
Gross Weight144.0 SHIPPING CONTAINER POUNDS AND 3580.0 PALLET POUNDS
Weapon for Which DesignedGUN, M61 SERIES AND GUN T171
MaterialCOPPER ALLOY CARTRIDGE CASE
Unable to DecodeUNABLE TO DECODE
Package Reference NumberWR54 294 US NAVY US
Cartridge Model NumberM55A2 LOCATION NOT OTHERWISE SPECIFIED
Dot Proper Shipping NameCARTRIDGES FOR WEAPONS, INERT PROJECTILE
Dot Identification NumberUN0339
Tracer ElementNOT INCLUDED
Dod Ammunition Code1305-A891
Unable to DecodeUNABLE TO DECODE
Cartridge Grouping TypeSINGLE ROUND
Reference Number Differentiating CharacteristicsDIFFERENTIATED BY PACKAGING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1305-00-542-0405 INTERCHANGEABLE
Cartridge,20 Millimeter
1305-00-752-8114 INTERCHANGEABLE
Cartridge,20 Millimeter
1305-01-116-45609344281 INTERCHANGEABLE
Cartridge,20 Millimeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
1305-01-119-8548 INTERCHANGEABLE
Cartridge,20 Millimeter
Cross-Reference Index
Part NumberManufacturer
1305-A891 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
7258817 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
1305-00-542-0405INTERCHANGEABLE
CARTRIDGE,20 MILLIMETER
1305-00-752-8114INTERCHANGEABLE
CARTRIDGE,20 MILLIMETER
1305-01-116-4560INTERCHANGEABLE
CARTRIDGE,20 MILLIMETER
9344281
1305-01-119-8548INTERCHANGEABLE
CARTRIDGE,20 MILLIMETER

Frequently Asked Questions

What is NSN 1305-00-132-3283?

NSN 1305-00-132-3283 is a Cartridge,20 Millimeter, manufactured by Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics, classified under FSC 1305 (No Item Name Available). Status: active.

What are the part numbers for NSN 1305-00-132-3283?

NSN 1305-00-132-3283 has 2 cross-referenced part numbers: 1305-A891 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 7258817 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1305-00-132-3283?

There are 4 known substitutes for 1305-00-132-3283: 1305-00-542-0405, 1305-00-752-8114, 1305-01-116-4560 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1305-A891?

Key specifications for 1305-A891: Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION; Detonation Initiation Method: ELECTRIC; Dot Registration Code: EX1988120377; Gross Weight: 144.0 SHIPPING CONTAINER POUNDS AND 3580.0 PALLET POUNDS. 16 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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