The Dog,door,marine, cataloged under National Stock Number 2040-01-491-4776, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-491-4776 |
| Primary Part Number | 123-4498184 PART 59 |
| Item Name | Dog,door,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | SWIVEL |
| Material | STEEL |
| Operation Method | MANUAL |
| 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 |
|---|---|
| 123-4498184 PART 59 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 123-4498184 | D/9 Drawing number reference only Naval Sea Systems Command |
| 122-4493900 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-491-4776 is a Dog,door,marine, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-491-4776 has 1 manufacturer part number on file: 123-4498184 PART 59 (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 2040-01-491-4782, 2040-01-491-4946, 2040-01-491-4949. Verify interchangeability with system specifications before substitution.
Key specifications for 123-4498184 PART 59: Design Type: SWIVEL; Special Features: MATERIAL CL304 FED SPEC QQ-S-763; SHANK LENGTH IS 10.250 IN; SHANK DIA IS 1.125 IN. IN; End Item Identification: AIRCRAFT CARRIER CVAN 68 NON-BALLISTIC DOUBLE DOORS; 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.
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.