The Projectile,5 Inch 54 Caliber, cataloged under National Stock Number 1320-01-576-4142, 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 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1320-01-576-4142 |
| Primary Part Number | 6737421 |
| Item Name | Projectile,5 Inch 54 Caliber |
| FSC / FSG | 1320 / 13 — Ammunition, Over 125mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Model Number | MK64 MODS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6737421 PRIMARY | Naval Sea Systems Command (USA) |
NSN 1320-01-576-4142 is a Projectile,5 Inch 54 Caliber, manufactured by Naval Sea Systems Command, classified under FSC 1320, Ammunition, Over 125mm. Status: active.
NSN 1320-01-576-4142 has 1 manufacturer part number on file: 6737421 (Naval Sea Systems Command).
Key specifications for 6737421: Model Number: MK64 MODS; Special Features: EXPLOSIVE LOADED SUBASSEMBLY; PBXN-9; WITHOUT FUZE; COMES 12/MK11 PLT ADAPTER. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1320-01-576-4142 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.