The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-931-2246, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3110-00-931-2246 |
| Primary Part Number | M86643 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Departure From Cited Document | ONE |
| Cone Corner Radius | 0.0620 INCHES NOMINAL IN |
| Cone Width | 0.8438 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 1.0000 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 |
|---|---|
| 945740 | Am General Llc (USA) |
| M86643 PRIMARY | The Timken Corporation (USA) |
| 550829 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| Reference | Meaning |
|---|---|
| M866434 | C/1 Advisory reference — outside the item-of-supply concept The Timken Corporation |
| 3110PL0856659 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 550829 | 5/2 Secondary reference U.S. Government activity |
| 3110009312246 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3110-00-931-2246 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-931-2246 has 3 manufacturer part numbers on file: 945740 (Am General Llc), M86643 (The Timken Corporation), 550829 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products).
1 possible match (shared part number, not a government interchangeability claim): 6610-01-423-5889. Verify interchangeability with system specifications before substitution.
Key specifications for M86643: Style Designator: NORMAL ANGLE; Departure From Cited Document: ONE; Cone Corner Radius: 0.0620 INCHES NOMINAL IN; Cone Width: 0.8438 INCHES NOMINAL IN. 7 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.