The Hatch,marine, cataloged under National Stock Number 2040-01-513-9275, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-513-9275 |
| Primary Part Number | 704-5483962 ITEM 1 |
| Item Name | Hatch,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Opening Length | 45.250 INCHES NOMINAL IN |
| Opening Width | 26.700 INCHES NOMINAL IN |
| Material | STEEL PANEL |
| Installation Design | FLUSH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 704-5483962 ITEM 1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5483962 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5483962-0001A | 5/2 Secondary reference U.S. Government activity |
NSN 2040-01-513-9275 is a Hatch,marine, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-513-9275 has 1 manufacturer part number on file: 704-5483962 ITEM 1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-513-9277. Verify interchangeability with system specifications before substitution.
Key specifications for 704-5483962 ITEM 1: Opening Length: 45.250 INCHES NOMINAL IN; Opening Width: 26.700 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FAIRING, MISSILE TUBE 14; End Item Identification: SSN 688, VERTICAL LAUNCH SYSTEM MISSILE TUBE 14.. 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.
NSN 2040-01-513-9275 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.