The Lower Bouy Door Assembly, cataloged under National Stock Number 2040-01-564-1933, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 2040-01-564-1933 |
| Primary Part Number | 50000023 |
| Item Name | Lower Bouy Door Assembly |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 50000023 PRIMARY | Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark (USA) |
NSN 2040-01-564-1933 is a Lower Bouy Door Assembly, manufactured by Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-564-1933 has 1 manufacturer part number on file: 50000023 (Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-601-3956. Verify interchangeability with system specifications before substitution.
Key specifications for 50000023: End Item Identification: 26 FT TANB, SICR 1615 FT. 0 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 2040-01-564-1933 has DEMIL Code B. 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.