The Fairlead,roller, cataloged under National Stock Number 3815-00-520-1967, is classified within Federal Supply Class 3815 (Crane and Crane-shovel Attachments) of the Construction, Mining, Excavating Equipment group. The manufacturer of record is Lebus International, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Fairlead,roller |
| FSC / FSG | 3815 — Crane and Crane-shovel Attachments (FSG 38) |
| Manufacturers | Lebus International, Inc. (CAGE 17798) |
| Parameter | Value |
|---|---|
| NSN | 3815-00-520-1967 |
| Primary Part Number | 4229C |
| Item Name | Fairlead,roller |
| FSC / FSG | 3815 / 38 — Crane and Crane-shovel Attachments |
| Manufacturer | Lebus International, 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 |
|---|---|
| 4229C PRIMARY | Lebus International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4229C | C/1 Advisory reference — outside the item-of-supply concept Viking Explosives and Supply Inc |
| 792954-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3815-00-520-1967 is a Fairlead,roller, manufactured by Lebus International, Inc., classified under FSC 3815, Crane and Crane-shovel Attachments. Status: active.
NSN 3815-00-520-1967 has 1 manufacturer part number on file: 4229C (Lebus International, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-444-6499. 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.