The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-159-2812, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-00-159-2812 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| Surface Finish | 63.0 MICROINCHES LEFT SIDE |
| Surface Finish | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE SECOND OUTSIDE CORNER |
| Corner Shape | SQUARE FIRST OUTSIDE CORNER |
| Corner Shape | CHAMFERED SECOND INSIDE CORNER |
| Corner Shape | SQUARE FIRST INSIDE CORNER |
| Overall Thickness | 0.7480 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Diameter | 3.2500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 5.1050 INCHES MINIMUM AND 5.1100 INCHES MAXIMUM IN |
| Lubrication Feature | GROOVE FLAT BEARING SURFACE |
| Material | STEEL INNER LAYER |
| Material | TIN ALLOY OUTER LAYER |
| 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 |
|---|---|
| 41T00081-0000 | 3/9 Design control — primary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| 41T81 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
NSN 3120-00-159-2812 is a Bearing,washer,thrust, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-159-2812: Surface Finish: 32.0 MICROINCHES RIGHT SIDE; Surface Finish: 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER; Surface Finish: 63.0 MICROINCHES LEFT SIDE; Surface Finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY. 17 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.