The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-01-406-0290, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Leonardo Spa Helicopters Division - Production Site (CAGE A0126) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-406-0290 |
| Primary Part Number | LM806649 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LM806649 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| LM806649-2-629 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| LM806649 | 5/9 Secondary reference U.S. Government activity |
| LM806649-2-629 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-406-0290 is a Cone and Rollers,tapered Roller, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-406-0290 has 2 manufacturer part numbers on file: LM806649 (Leonardo Spa Helicopters Division - Production Site), LM806649-2-629 (Leonardo Spa Helicopters Division - Production Site).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-506-7424. 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.