The Bearing,v, cataloged under National Stock Number 3120-00-221-9754, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-221-9754 |
| Item Name | Bearing,v |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES LEFT END SURFACE |
| Surface Finish | 250.0 MICROINCHES INNER LAYER |
| Surface Finish | 63.0 MICROINCHES EXTERNAL CYLINDRICAL SURFACE |
| Surface Finish | 63.0 MICROINCHES V-GROOVE SURFACE |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| V Groove Width | 0.2170 INCHES MINIMUM AND 0.2220 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.2805 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| Style Designator | SPRING LOADED |
| Material Document and Classification | QQ-B-750 COMP A TEMPER HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drilled Hole Depth | 0.1406 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.2090 INCHES NOMINAL IN |
| V Groove Angle | 90.0 DEGREES NOMINAL |
| Material | COPPER ALLOY 510 OVERALL |
| 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 |
|---|---|
| MS35689-2 | 2/2 Government specification standardization U.S. Government activity |
NSN 3120-00-221-9754 is a Bearing,v, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-221-9754: Surface Finish: 250.0 MICROINCHES LEFT END SURFACE; Surface Finish: 250.0 MICROINCHES INNER LAYER; Surface Finish: 63.0 MICROINCHES EXTERNAL CYLINDRICAL SURFACE; Surface Finish: 63.0 MICROINCHES V-GROOVE SURFACE. 14 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.