The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-421-2499, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-421-2499 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 32.0 MICROINCHES LEFT SIDE |
| Surface Finish | 32.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Overall Thickness | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Diameter | 1.0430 INCHES MINIMUM AND 1.0450 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.2620 INCHES MINIMUM AND 1.2640 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| 58965 | 3/2 Design control — primary reference U.S. Government activity |
| 58965 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 3120-00-421-2499 is a Bearing,washer,thrust, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-421-2499: Surface Finish: 32.0 MICROINCHES RIGHT SIDE; Surface Finish: 32.0 MICROINCHES LEFT SIDE; Surface Finish: 32.0 MICROINCHES LARGEST OUTSIDE DIAMETER; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY. 12 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.