The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-237-5309, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-237-5309 |
| Primary Part Number | 2057-1211-101 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 63.0 MICROINCHES LEFT SIDE |
| Corner Shape | SQUARE ALL CORNERS |
| Overall Thickness | 0.0445 INCHES MINIMUM AND 0.0455 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Material Document and Classification | MIL-B-5657,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.3900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Material | COPPER ALLOY 841 OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2057-1211-101 | Raytheon Company (USA) |
| 2057-1211-101 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2057-1211-101 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 3120-01-237-5309 is a Bearing,washer,thrust, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-237-5309 has 2 manufacturer part numbers on file: 2057-1211-101 (Raytheon Company), 2057-1211-101 (Raytheon Company Dba Raytheon Co).
Key specifications for 2057-1211-101: Surface Finish: 63.0 MICROINCHES RIGHT SIDE; Surface Finish: 63.0 MICROINCHES LEFT SIDE; Corner Shape: SQUARE ALL CORNERS; Overall Thickness: 0.0445 INCHES MINIMUM AND 0.0455 INCHES MAXIMUM IN. 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.