The Door,metal,marine Structural, cataloged under National Stock Number 2040-01-451-2490, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2040-01-451-2490 |
| Item Name | Door,metal,marine Structural |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Opening Length | 45.000 INCHES NOMINAL IN |
| Opening Width | 26.000 INCHES NOMINAL IN |
| Dog Quantity | 8 |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 804-5184195 MOD | 3/2 Design control — primary reference U.S. Government activity |
| B-314903 OFN-07 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 804-5184195 | D/9 Drawing number reference only U.S. Government activity |
NSN 2040-01-451-2490 is a Door,metal,marine Structural, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2040-01-451-3107. Verify interchangeability with system specifications before substitution.
Key specifications for 2040-01-451-2490: Opening Length: 45.000 INCHES NOMINAL IN; Opening Width: 26.000 INCHES NOMINAL IN; Special Features: DOOR WTIND 26X45 RH; Dog Quantity: 8. 4 specifications are 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.
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.