The Dog Assembly,hatch, cataloged under National Stock Number 2040-01-487-4586, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-487-4586 |
| Primary Part Number | 122-5008312 PC 54 |
| Item Name | Dog Assembly,hatch |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 122-5008312 PC 54 PRIMARY | Naval Sea Systems Command (USA) |
| 122-5008311 PC 1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 122-5008311 | D/9 Drawing number reference only Naval Sea Systems Command |
| 122-5008312 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-487-4586 is a Dog Assembly,hatch, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-487-4586 has 2 manufacturer part numbers on file: 122-5008312 PC 54 (Naval Sea Systems Command), 122-5008311 PC 1 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3120-01-487-8251, 3120-01-487-8255, 3120-01-488-4044. Verify interchangeability with system specifications before substitution.
Key specifications for 122-5008312 PC 54: Special Features: END ITEM:HATCH BALLIST; Material: STEEL. 1 specification is 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.