The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-00-596-9996, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1305-00-596-9996 |
| Primary Part Number | 102200877 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Weapon for Which Designed | GUN MK11, ALL MODS AND GUN MK12, ALL MODS |
| Tracer Element | NOT INCLUDED |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS, INERT PROJECTILE |
| Projectile Filler Type | INERT MATERIAL LOCATION NOT OTHERWISE SPECIFIED |
| Dot Identification Number | UN0339 |
| Unable to Decode | UNABLE TO DECODE |
| Dot Registration Code | EX1988070807 |
| Projectile Model Number | M99 LOCATION NOT OTHERWISE SPECIFIED |
| Cartridge Model Number | T131 LOCATION NOT OTHERWISE SPECIFIED |
| Dod Ammunition Code | 1305-A809 |
| Detonation Initiation Method | ELECTRIC |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Cartridge Grouping Type | SINGLE ROUND |
| Package Reference Number | X7258967 US ARMY |
| Material | COPPER ALLOY CARTRIDGE CASE |
| Gross Weight | 88.5 SHIPPING CONTAINER POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0339 · 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as CARTRIDGES FOR WEAPONS, INERT PROJECTILE |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 102200877 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1305-A809 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-00-596-9996 is a Cartridge,20 Millimeter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-00-596-9996 has 1 manufacturer part number on file: 102200877 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 102200877: Weapon for Which Designed: GUN MK11, ALL MODS AND GUN MK12, ALL MODS; Tracer Element: NOT INCLUDED; Dot Proper Shipping Name: CARTRIDGES FOR WEAPONS, INERT PROJECTILE; Projectile Filler Type: INERT MATERIAL LOCATION NOT OTHERWISE SPECIFIED. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). The government record also carries hazard data: DOT hazard class, UN number, or related classification fields. Special handling, storage, and shipping requirements apply per the cited government fields.
NSN 1305-00-596-9996 has DEMIL Code G. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.