The Projectile,8 Inch, cataloged under National Stock Number 1320-00-423-6576, is classified within Federal Supply Class 1320 (Ammunition, Over 125mm) of the Ammunition and Explosives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1320-00-423-6576 |
| Item Name | Projectile,8 Inch |
| FSC / FSG | 1320 / 13 — Ammunition, Over 125mm |
| Status | ACTIVE |
| Primary Filler Material | EXPLOSIVE D |
| Model Number | MK 24 ALL MODS,MK 25 ALL MODS |
| Unit Package Type | PALLET, ADAPTER AND PALLET, METAL |
| Design Type | HIGH CAPACITY |
| Tracer Element | NOT INCLUDED |
| Net Explosive Weight | 21.34 STORAGE POUNDS AND 21.34 TRANSPORTATION POUNDS |
| Fuze Model Number | MK29 ALL MODS AND MK48 ALL MODS |
| Dot Proper Shipping Name | PROJECTILES |
| Proximity Fuze Adaptability | ADAPTABLE |
| Dot Identification Number | UN0168 |
| Dot Registration Code | EX1988060485 |
| Unable to Decode | UNABLE TO DECODE |
| Dod Ammunition Code | 1320-D634 |
| Supplementary Charge | NOT INCLUDED |
| Fuze Type | POINT DETONATING AND BASE DETONATING |
| Hazardous Material Classification Code | 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Booster Model Number | MK 54 ALL MODS,MK 55 ALL MODS |
| Package Reference Number | WR54-195 US NAVY US |
| Gross Weight | 4480.0 SHIPPING CONTAINER POUNDS AND 4480.0 PALLET POUNDS |
| Weapon and Model Number for Which Designed | MK 12 ALL MODS,MK 14 ALL MODS,MK 15 ALL MODS,MK 16 ALL MODS GUN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY FUZE TYPE AND FUZE MODEL NUMBER |
| Self-Destroying Feature | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0168 · 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as PROJECTILES |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| LD288702 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1380887 | 3/1 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1320-D634 | 6/9 Informative reference only U.S. Government activity |
NSN 1320-00-423-6576 is a Projectile,8 Inch, classified under FSC 1320, Ammunition, Over 125mm. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1320-00-878-8158, 1320-00-989-4900. Verify interchangeability with system specifications before substitution.
Key specifications for 1320-00-423-6576: Primary Filler Material: EXPLOSIVE D; Model Number: MK 24 ALL MODS,MK 25 ALL MODS; Unit Package Type: PALLET, ADAPTER AND PALLET, METAL; Design Type: HIGH CAPACITY. 23 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 1320-00-423-6576 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.