The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-01-439-9802, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-439-9802 |
| Primary Part Number | 5D3-02278D IT NO 17 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 85.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 5D3-02278D IT NO 17 PRIMARY | Lake Shore Systems, Inc. (USA) |
| JM716648/610 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5D3-02404D IT NO 17 | 5/1 Secondary reference Lake Shore Systems, Inc. |
NSN 3110-01-439-9802 is a Cone and Rollers,tapered Roller, manufactured by Lake Shore Systems, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-439-9802 has 2 manufacturer part numbers on file: 5D3-02278D IT NO 17 (Lake Shore Systems, Inc.), JM716648/610 (The Timken Corporation).
Key specifications for 5D3-02278D IT NO 17: Standard Tolerance Designation: AFBMA CLASS 2; Bore Diameter: 85.00 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL. 3 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.