The Ballast Tank, cataloged under National Stock Number 1940-01-064-0243, is classified within Federal Supply Class 1940 (Small Craft) of the Ships, Small Craft, Pontoons, and Floating Docks group. The manufacturer of record is Naval Air Warfare Center Weapons Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ballast Tank |
| FSC / FSG | 1940 — Small Craft (FSG 19) |
| Manufacturers | Naval Air Warfare Center Weapons Div (CAGE 12934) |
| Parameter | Value |
|---|---|
| NSN | 1940-01-064-0243 |
| Primary Part Number | 4592627-1 |
| Item Name | Ballast Tank |
| FSC / FSG | 1940 / 19 — Small Craft |
| Manufacturer | Naval Air Warfare Center Weapons Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4592627-1 PRIMARY | Naval Air Warfare Center Weapons Div (USA) |
NSN 1940-01-064-0243 is a Ballast Tank, manufactured by Naval Air Warfare Center Weapons Div, classified under FSC 1940, Small Craft. Status: active.
NSN 1940-01-064-0243 has 1 manufacturer part number on file: 4592627-1 (Naval Air Warfare Center Weapons Div).
1 possible match (shared part number, not a government interchangeability claim): 1990-01-329-5333. Verify interchangeability with system specifications before substitution.
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 1940-01-064-0243 has DEMIL Code D. 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.