The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-185-4720, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | The Timken Corporation (CAGE 60038) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-185-4720 |
| Primary Part Number | C-21673 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| 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 |
|---|---|
| C-21673 PRIMARY | The Timken Corporation (USA) |
| HM252349D-HM252310-HM25231-CD PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| C21673 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-185-4720 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-185-4720 has 2 manufacturer part numbers on file: C-21673 (The Timken Corporation), HM252349D-HM252310-HM25231-CD (The Timken Corporation).
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.