The Projectile,5 Inch 38 Caliber, cataloged under National Stock Number 1320-00-684-8143, is classified within Federal Supply Class 1320 (Ammunition, Over 125mm) of the Ammunition and Explosives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 1320-00-684-8143 |
| Item Name | Projectile,5 Inch 38 Caliber |
| FSC / FSG | 1320 / 13 — Ammunition, Over 125mm |
| Status | ACTIVE |
| Primary Filler Material | ILLUMINATING LOAD |
| Model Number | MK 50 MOD 0 |
| Unit Package Type | PALLET, ADAPTER AND PALLET, METAL |
| Design Type | ILLUMINATING |
| Tracer Element | NOT INCLUDED |
| Net Explosive Weight | 3.9889 STORAGE POUNDS AND 3.9889 TRANSPORTATION POUNDS |
| Fuze Model Number | MK 349 MOD 0 |
| Dot Proper Shipping Name | AMMUNITION, ILLUMINATING |
| Proximity Fuze Adaptability | NOT ADAPTABLE |
| Dot Identification Number | UN0254 |
| Dot Registration Code | EX1988030272 |
| Dod Ammunition Code | 1320-D255 |
| Supplementary Charge | NOT INCLUDED |
| Fuze Type | MECHANICAL TIME |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY FUZE MODEL NUMBER,SPECIAL FEATURES |
| 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 UN0254 · 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as AMMUNITION, ILLUMINATING |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2141494 | 3/1 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1320-D255 | 6/9 Informative reference only U.S. Government activity |
| LD615136 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1320-00-684-8143 is a Projectile,5 Inch 38 Caliber, classified under FSC 1320, Ammunition, Over 125mm. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 1320-00-908-4220, 1320-00-909-7134, 1320-01-054-6729. Verify interchangeability with system specifications before substitution.
Key specifications for 1320-00-684-8143: Primary Filler Material: ILLUMINATING LOAD; Model Number: MK 50 MOD 0; Unit Package Type: PALLET, ADAPTER AND PALLET, METAL; Design Type: ILLUMINATING. 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 1320-00-684-8143 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.