The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-338-4067, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-338-4067 |
| Primary Part Number | L507910B |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Flange Outside Diameter | 3.5625 INCHES NOMINAL IN |
| Style Designator | NORMAL ANGLE, FLANGED |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Backface Corner Radius | 0.0600 INCHES NOMINAL IN |
| Flange Width | 0.1250 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 3.4375 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 3 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| L507910B PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 710498-017 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
| 710498-17 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
NSN 3110-00-338-4067 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-338-4067 has 1 manufacturer part number on file: L507910B (The Timken Corporation).
Key specifications for L507910B: Flange Outside Diameter: 3.5625 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE, FLANGED; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.5625 INCHES NOMINAL IN. 8 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.