The Cartridge,3 Inch 50 Caliber, cataloged under National Stock Number 1315-01-258-4828, is classified within Federal Supply Class 1315 (Ammunition, 75mm Through 125mm) of the Ammunition and Explosives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1315-01-258-4828 |
| Primary Part Number | 6263957 |
| Item Name | Cartridge,3 Inch 50 Caliber |
| FSC / FSG | 1315 / 13 — Ammunition, 75mm Through 125mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Weapon for Which Designed | GUN, POWER RAMMED MK33 OR GUN, POWER RAMMED MK34 |
| Net Explosive Weight | 4.633000 TRANSPORTATION POUNDS AND 4.633000 STORAGE POUNDS |
| Dot Proper Shipping Name | AMMUNITION,SMOKE |
| Projectile Filler Type | INERT MATERIAL |
| Projectile Burst Color | GRAY/GREY |
| Dot Identification Number | UN0015 |
| Nose Fuze Model Number | MK 417 MOD 0 |
| Dot Registration Code | EX1987120821 |
| Projectile Model Number | MK 33 ALL MODS |
| Dod Ammunition Code | 1315-C320 |
| Hazardous Material Classification Code | 08 INHABITED BUILDING DISTANCE AND 1.2.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND G STORAGE COMPATIBILITY GROUP |
| Unable to Decode | UNABLE TO DECODE |
| Primer Model Number | MK 41 MOD 0 |
| Nose Fuze Type | PROXIMITY |
| Propelling Charge Feature Type | NONFLASHLESS |
| Cartridge Design Type | PROXIMITY NONFRAGMENTATION |
| Material | STEEL CARTRIDGE CASE |
| Gross Weight | 1826.0 PALLET POUNDS AND 32.0 SHIPPING CONTAINER POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0015 · 08 INHABITED BUILDING DISTANCE AND 1.2.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND G STORAGE COMPATIBILITY GROUP · ships as AMMUNITION,SMOKE |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6263957 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1315-C320 | 6/9 Informative reference only U.S. Government activity |
NSN 1315-01-258-4828 is a Cartridge,3 Inch 50 Caliber, manufactured by Naval Sea Systems Command, classified under FSC 1315, Ammunition, 75mm Through 125mm. Status: active.
NSN 1315-01-258-4828 has 1 manufacturer part number on file: 6263957 (Naval Sea Systems Command).
Key specifications for 6263957: Weapon for Which Designed: GUN, POWER RAMMED MK33 OR GUN, POWER RAMMED MK34; Net Explosive Weight: 4.633000 TRANSPORTATION POUNDS AND 4.633000 STORAGE POUNDS; Dot Proper Shipping Name: AMMUNITION,SMOKE; Projectile Filler Type: INERT MATERIAL. 18 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 1315-01-258-4828 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.