The Fairlead,roller, cataloged under National Stock Number 3815-01-474-1926, is classified within Federal Supply Class 3815 (Crane and Crane-shovel Attachments) of the Construction, Mining, Excavating Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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 | 3815-01-474-1926 |
| Primary Part Number | 1177241 |
| Item Name | Fairlead,roller |
| FSC / FSG | 3815 / 38 — Crane and Crane-shovel Attachments |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 1177241 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3815-01-474-1926 is a Fairlead,roller, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3815, Crane and Crane-shovel Attachments. Status: active.
NSN 3815-01-474-1926 has 1 manufacturer part number on file: 1177241 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-556-7211. Verify interchangeability with system specifications before substitution.
Key specifications for 1177241: End Item Identification: CONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS) ROLLER,VIBRATORY,SELF-PROPELLED,TYPE II CATERPILLAR MODEL CS-563D CONTRACT NO. DAAE07-98-C-S007 NSN 3895-01-456-2735 TM - 5-3895-383. 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.
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.