The Open Ballast Tank, cataloged under National Stock Number 1990-01-329-5333, is classified within Federal Supply Class 1990 (Miscellaneous Vessels) of the Ships, Small Craft, Pontoons, and Floating Docks group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Open Ballast Tank |
| FSC / FSG | 1990 — Miscellaneous Vessels (FSG 19) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 1990-01-329-5333 |
| Primary Part Number | 4592627-1 |
| Item Name | Open Ballast Tank |
| FSC / FSG | 1990 / 19 — Miscellaneous Vessels |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4592627-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 1990-01-329-5333 is a Open Ballast Tank, manufactured by Naval Sea Systems Command, classified under FSC 1990, Miscellaneous Vessels. Status: active.
NSN 1990-01-329-5333 has 1 manufacturer part number on file: 4592627-1 (Naval Sea Systems Command).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.