The Bearing,roller,needle, cataloged under National Stock Number 3110-01-339-1508, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Aircraft Products, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-339-1508 |
| Primary Part Number | CY-61940 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Surface Finish | GROUND |
| Style Designator | CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE |
| Overall Outside Diameter | 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Bore Diameter | 0.4367 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C ROLLER |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| CY-61940 | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CY-61940 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 5907008 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-339-1508 is a Bearing,roller,needle, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-339-1508 has 1 manufacturer part number on file: CY-61940 (Rbc Aircraft Products, Inc.).
Key specifications for CY-61940: Lubrication Material: GREASE; Surface Finish: GROUND; Style Designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE; Overall Outside Diameter: 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN. 10 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.