The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-340-9928, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-340-9928 |
| Primary Part Number | 145DS502-3 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Outer Ring Width | 0.6051 INCHES MINIMUM AND 0.6399 INCHES MAXIMUM IN |
| Locating Feature | NONLOCATING |
| Surface Finish | UNGROUND |
| Style Designator | SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE |
| Overall Outside Diameter | 4.1336 INCHES MINIMUM AND 4.1342 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 2.9525 INCHES MINIMUM AND 2.9531 INCHES MAXIMUM 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 | F |
| Part Number | Manufacturer |
|---|---|
| 145DS502-3 | The Boeing Company (USA) |
| 145DS502-3 PRIMARY | Skf Usa Inc. (USA) |
| 145DS502-2 PRIMARY | Skf Usa Inc. (USA) |
| 145DS502-2 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| MR1915C2 | 5/1 Secondary reference Skf Usa Inc. |
| AAVF9315R1W2 MSR | 5/9 Secondary reference Timken Co Div the Timken Company |
| 145DS502-2/3 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-340-9928 is a Bearing,roller,cylindrical, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-340-9928 has 4 manufacturer part numbers on file: 145DS502-3 (The Boeing Company), 145DS502-3 (Skf Usa Inc.), 145DS502-2 (Skf Usa Inc.), 145DS502-2 (The Boeing Company).
Key specifications for 145DS502-3: Outer Ring Width: 0.6051 INCHES MINIMUM AND 0.6399 INCHES MAXIMUM IN; Locating Feature: NONLOCATING; Surface Finish: UNGROUND; Style Designator: SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE. 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.