NSN 1305-00-580-1643, 1305005801643
CARTRIDGE,20 MILLIMETER

Federal Supply Classification: FSC 1305 - Ammunition, through 30mm
National Item Identification Number: NIIN 005801643
Codification Country: United States
Item Name Code: INC 19879
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Request Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 1305-00-580-1643

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 1305-00-580-1643

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 1305-00-580-1643

National Stock Number (NSN) 1305-00-580-1643, or NIIN 005801643, (cartridge,20 millimeter) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 19879. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1305005801643 does not contain precious metals.

This NSN is associated to Schedule B 9306304130: cartridges containing a projectile, nesoi. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332992: small arms ammunition manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

UNIT PACKAGE TYPE (NON-CORE): (AGXZ) BOX, METAL
UNABLE TO DECODE: (AJYJ) UNABLE TO DECODE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: (ZZZY) AS DIFFERENTIATED BY CARTRIDGE GROUPING TYPE,CARTRIDGE DESIGN TYPE,FUZE TYPE,FUZE MODEL NUMBER,CARTRIDGE CASE MATERIAL,CARTRIDGE MODEL NUMBER,PROJECTILE MODEL NUMBER,PROJECTILE FILLER TYPE,CARTRIDGE QUANTITY,CARTRIDGE GROUPING FUNCTIONAL SEQUENCE,LINK MODEL NUMBER,AND WEAPON FOR WHICH DESIGNED
UNABLE TO DECODE: (AHUG) UNABLE TO DECODE
UNABLE TO DECODE: (AGXZ) UNABLE TO DECODE
UNIT PACKAGE QUANTITY (NON-CORE): (AGUC) 2
CARTRIDGE DESIGN TYPE: (AHUF) HIGH EXPLOSIVE INCENDIARY
UNABLE TO DECODE: (AGUC) UNABLE TO DECODE
PACKAGE MODEL NUMBER (NON-CORE): (AJYJ) T-46
DOD AMMUNITION CODE: (DDAC) 1305-A919
CARTRIDGE GROUPING TYPE: (AHUG) LINKED
CARTRIDGE MODEL NUMBER: (AHUE) M56A1E1
CARTRIDGE QUANTITY: (AHUH) 50
DETONATION INITIATION METHOD: (AHVN) ELECTRIC
FUZE MODEL NUMBER: (AHVB) M505A1E2
FUZE TYPE: (AHUZ) POINT DETONATING
LINK MODEL NUMBER: (AHUL) M14
PROJECTILE FILLER TYPE: (AHUS) MOX-2B AND CYCLONITE
PROJECTILE MODEL NUMBER: (AHUW) M56A1E1
WEAPON FOR WHICH DESIGNED: (AHVQ) GUN, CANNON M61
UNABLE TO DECODE: (AHUF) UNABLE TO DECODE
CARTRIDGE CASE MATERIAL: (AHUR) BRASS