The Stopper Tool, cataloged under National Stock Number 2040-01-251-9483, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Stopper Tool |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-251-9483 |
| Item Name | Stopper Tool |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 505094 | 3/9 Design control — primary reference Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools |
NSN 2040-01-251-9483 is a Stopper Tool, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4220-01-693-7952. 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.
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.