The Wedge,dog,door-Hatch, cataloged under National Stock Number 2040-01-718-4056, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-718-4056 |
| Primary Part Number | A026-066-QAB020 PC 43 |
| Item Name | Wedge,dog,door-Hatch |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | ASTM B148, ALY C95200 OR C95300 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| A026-066-QAB020 PC 43 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-8436639 REV - PC 43 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-718-4056 is a Wedge,dog,door-Hatch, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-718-4056 has 1 manufacturer part number on file: A026-066-QAB020 PC 43 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-718-4800. Verify interchangeability with system specifications before substitution.
Key specifications for A026-066-QAB020 PC 43: Material Document and Classification: ASTM B148, ALY C95200 OR C95300 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE; Part Name Assigned by Controlling Agency: DOG WEDGE, RH; End Item Identification: STRUCTURAL DOORS, QUICK ACTING, INDIVIDUALLY DOGGED; Material: COPPER ALLOY. 2 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.