The Hatch,marine, cataloged under National Stock Number 2040-01-450-6879, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-450-6879 |
| Item Name | Hatch,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Spring Balance Feature | NOT INCLUDED |
| Opening Length | 42.000 INCHES NOMINAL IN |
| Opening Width | 30.000 INCHES NOMINAL IN |
| Rectangular Hatch Hinge Location | SHORT SIDE |
| Scuttle | NOT INCLUDED |
| Hasp | NOT INCLUDED |
| Operating Location | ABOVE |
| Material | STEEL PANEL |
| Installation Design | RAISED |
| Operating Control Type | INDIVIDUAL DOG |
| 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 |
|---|---|
| 124-1897773 ASSY 97 | 3/2 Design control — primary reference U.S. Government activity |
| 152-1131 ASSY 97 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 1897773 | D/9 Drawing number reference only U.S. Government activity |
NSN 2040-01-450-6879 is a Hatch,marine, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2040-01-450-7162. Verify interchangeability with system specifications before substitution.
Key specifications for 2040-01-450-6879: Spring Balance Feature: NOT INCLUDED; Opening Length: 42.000 INCHES NOMINAL IN; Opening Width: 30.000 INCHES NOMINAL IN; Rectangular Hatch Hinge Location: SHORT SIDE. 10 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.