The Door,metal,marine Structural, cataloged under National Stock Number 2040-01-491-7434, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-491-7434 |
| Primary Part Number | 167-6985306 PART A1 |
| Item Name | Door,metal,marine Structural |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Operational Direction | RIGHT-HAND |
| Design Type | WATERTIGHT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 167-6985306 PART A1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6985306 | D/9 Drawing number reference only Naval Sea Systems Command |
| H542-1701 PART A1 | 5/2 Secondary reference U.S. Government activity |
NSN 2040-01-491-7434 is a Door,metal,marine Structural, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-491-7434 has 1 manufacturer part number on file: 167-6985306 PART A1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-500-5293. Verify interchangeability with system specifications before substitution.
Key specifications for 167-6985306 PART A1: Operational Direction: RIGHT-HAND; Design Type: WATERTIGHT; End Item Identification: DOOR ASSY WAT(LOS ANGELES CLASS SSN 688); Material: STEEL. 3 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.
NSN 2040-01-491-7434 has DEMIL Code B. 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.