The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-985-3145, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ford Motor Co Ltd. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-985-3145 |
| Primary Part Number | Y4221 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ford Motor Co Ltd |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Cone Width | 0.7830 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 1.3750 INCHES NOMINAL IN |
| 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 |
|---|---|
| Y4221 PRIMARY | Ford Motor Co Ltd (GBR) |
| Reference | Meaning |
|---|---|
| Y4221 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| Y4221 | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
NSN 3110-00-985-3145 is a Cone and Rollers,tapered Roller, manufactured by Ford Motor Co Ltd, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-985-3145 has 1 manufacturer part number on file: Y4221 (Ford Motor Co Ltd).
Key specifications for Y4221: Style Designator: NORMAL ANGLE; Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Cone Width: 0.7830 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 6 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.