The Door,metal,marine Structural, cataloged under National Stock Number 2040-01-253-4544, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-253-4544 |
| Primary Part Number | 804-5959320 TYPE A RH |
| 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 |
| Quick Operating Feature | NOT INCLUDED |
| Fixed Light | NOT INCLUDED |
| Opening Length | 66.000 INCHES NOMINAL IN |
| Opening Width | 26.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B209, H32 ASSN STD 1ST MATERIAL RESPONSE AND ASTM B221, T6 ASSN STD 2ND MATERIAL RESPONSE |
| Passing Scuttle | NOT INCLUDED |
| Material | ALUMINUM ALLOY 5052 AND ALUMINUM ALLOY 6063 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 804-5959320 TYPE A RH PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 804-1642752-TYPE A-RH SYM-A752-1 | 5/9 Secondary reference U.S. Government activity |
| 804-1642752 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2040-01-253-4544 is a Door,metal,marine Structural, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-253-4544 has 1 manufacturer part number on file: 804-5959320 TYPE A RH (Naval Sea Systems Command).
Key specifications for 804-5959320 TYPE A RH: Operational Direction: RIGHT-HAND; Quick Operating Feature: NOT INCLUDED; Fixed Light: NOT INCLUDED; Opening Length: 66.000 INCHES NOMINAL IN. 8 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.