The Cone,tapered Roller Bearing, cataloged under National Stock Number 3110-01-603-9306, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-603-9306 |
| Primary Part Number | L507949-2-629 |
| Item Name | Cone,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Style Designator | NORMAL ANGLE |
| Overall Outside Diameter | 3.4375 INCHES NOMINAL IN |
| Cone Corner Radius | 0.06 INCHES NOMINAL IN |
| Cone Width | 0.7188 INCHES NOMINAL IN |
| Bore Diameter | 2.250 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 |
|---|---|
| L507949-20629 | The Timken Corporation (USA) |
| L507949-2-629 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5235611-295 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-603-9306 is a Cone,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-603-9306 has 2 manufacturer part numbers on file: L507949-20629 (The Timken Corporation), L507949-2-629 (The Timken Corporation).
Key specifications for L507949-2-629: Criticality Code Justification: AGAV; Style Designator: NORMAL ANGLE; Overall Outside Diameter: 3.4375 INCHES NOMINAL IN; Cone Corner Radius: 0.06 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.