The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-021-6650, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-021-6650 |
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Chamfer/radius of Inside Corner | 0.020 IN. MIN,0.030 IN. MAX BY 45 DEG CHAMFER IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-C-465, COPPER ALLOY NO. 630 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.494 INCHES MINIMUM AND 1.495 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | COPPER ALLOY 630 |
| Face Width | 0.795 INCHES MINIMUM AND 0.805 INCHES MAXIMUM IN |
| Metallic Hardness Rating | 20.0 MINIMUM ROCKWELL C AND 24.0 MAXIMUM ROCKWELL C |
| Bore Inside Diameter | 1.0630 INCHES MINIMUM AND 1.0637 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 | X |
| Reference | Meaning |
|---|---|
| 2842827 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3120-01-021-6650 is a Roller,linear-Rotary Motion, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-021-6650: Chamfer/radius of Inside Corner: 0.020 IN. MIN,0.030 IN. MAX BY 45 DEG CHAMFER IN; Style Designator: PLAIN; Material Document and Classification: QQ-C-465, COPPER ALLOY NO. 630 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 1.494 INCHES MINIMUM AND 1.495 INCHES MAXIMUM IN. 9 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.