The Projectile,5 Inch 54 Caliber, cataloged under National Stock Number 1320-01-231-7137, is classified within Federal Supply Class 1320 (Ammunition, Over 125mm) of the Ammunition and Explosives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 1320-01-231-7137 |
| Primary Part Number | ADLM5354206 |
| Item Name | Projectile,5 Inch 54 Caliber |
| FSC / FSG | 1320 / 13 — Ammunition, Over 125mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Primary Filler Material | COMPOSITION A-3 |
| Model Number | MK41 MOD 0 |
| Design Type | HIGH EXPLOSIVE |
| Net Explosive Weight | 7.9304 STORAGE POUNDS AND 7.9304 TRANSPORTATION POUNDS |
| Fuze Model Number | M728 OR MK360 MOD 1 |
| Dot Proper Shipping Name | PROJECTILES |
| Dot Identification Number | UN0168 |
| Dot Registration Code | EX1987120967 |
| Dod Ammunition Code | 1320-D350 |
| Fuze Type | PROXIMITY |
| Hazardous Material Classification Code | 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Gross Weight | 3632.0 PALLET POUNDS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| ADLM5354206 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1320-D350 | 6/9 Informative reference only U.S. Government activity |
NSN 1320-01-231-7137 is a Projectile,5 Inch 54 Caliber, manufactured by Naval Sea Systems Command, classified under FSC 1320, Ammunition, Over 125mm. Status: active.
NSN 1320-01-231-7137 has 1 manufacturer part number on file: ADLM5354206 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 1320-01-350-4218, 1320-01-350-4219, 1320-01-350-4220. Verify interchangeability with system specifications before substitution.
Key specifications for ADLM5354206: Primary Filler Material: COMPOSITION A-3; Model Number: MK41 MOD 0; Design Type: HIGH EXPLOSIVE; Net Explosive Weight: 7.9304 STORAGE POUNDS AND 7.9304 TRANSPORTATION POUNDS. 13 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 1320-01-231-7137 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.