The Sheave Bracket, cataloged under National Stock Number 2040-01-442-4047, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-442-4047 |
| Primary Part Number | 2D3-05666 ITEM NO. 19 |
| Item Name | Sheave Bracket |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Lake Shore Systems, Inc. |
| 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 |
|---|---|
| 2D3-05666 ITEM NO. 19 PRIMARY | Lake Shore Systems, Inc. (USA) |
| PL2D3-05666 ITEM NO.19 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2D3-05666 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| 2B1-999 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 2040-01-442-4047 is a Sheave Bracket, manufactured by Lake Shore Systems, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-442-4047 has 2 manufacturer part numbers on file: 2D3-05666 ITEM NO. 19 (Lake Shore Systems, Inc.), PL2D3-05666 ITEM NO.19 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-442-4050. Verify interchangeability with system specifications before substitution.
Key specifications for 2D3-05666 ITEM NO. 19: End Item Identification: DAVIT,BOAT; 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.