The Fairlead,roller and Sheave, cataloged under National Stock Number 3815-01-667-7039, is classified within Federal Supply Class 3815 (Crane and Crane-shovel Attachments) of the Construction, Mining, Excavating Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Fairlead,roller and Sheave |
| FSC / FSG | 3815 — Crane and Crane-shovel Attachments (FSG 38) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712) |
| Parameter | Value |
|---|---|
| NSN | 3815-01-667-7039 |
| Primary Part Number | P003039 |
| Item Name | Fairlead,roller and Sheave |
| FSC / FSG | 3815 / 38 — Crane and Crane-shovel Attachments |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| P003039 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| P003039 REV B | 5/1 Secondary reference Lake Shore Systems, Inc. |
NSN 3815-01-667-7039 is a Fairlead,roller and Sheave, manufactured by Lake Shore Systems, Inc., classified under FSC 3815, Crane and Crane-shovel Attachments. Status: active.
NSN 3815-01-667-7039 has 1 manufacturer part number on file: P003039 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-667-7540. Verify interchangeability with system specifications before substitution.
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.