The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-264-3673, 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14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-264-3673 |
| 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 |
| Corner Shape | SQUARE ALL CORNERS |
| Overall Thickness | 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL |
| Style Designator | ROUND |
| Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Material Document and Classification | MIL-B-5687 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.5600 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.2350 INCHES MINIMUM AND 1.2650 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| ASTM B438 | 5/1 Secondary reference U.S. Government activity |
| MS21783 | 5/9 Secondary reference U.S. Government activity |
| MS21783-09204 | 5/9 Secondary reference U.S. Government activity |
| MS21783-09204 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-264-3673 is a Bearing,washer,thrust, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 3120-01-338-7424, 3120-01-358-3712, 3120-01-374-0427. Verify interchangeability with system specifications before substitution.
Key specifications for 3120-01-264-3673: Surface Finish: 32.0 MICROINCHES RIGHT SIDE; Surface Finish: 32.0 MICROINCHES LEFT SIDE; Corner Shape: SQUARE ALL CORNERS; Overall Thickness: 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN. 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.