The Bearing,sleeve, cataloged under National Stock Number 3120-00-034-2020, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Gyrodyne Co of America Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-034-2020 |
| Primary Part Number | Y61-315370-45-2 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Gyrodyne Co of America Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OVERALL |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | RELIEF GROOVE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Flange Outside Diameter | 0.7900 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5631 INCHES MINIMUM AND 0.5635 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 0.3749 INCHES MINIMUM AND 0.3757 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE RIGHT END SURFACE OF BODY |
| Surface Treatment | PASSIVATE LEFT END SURFACE OF BODY AND FLANGE |
| Surface Treatment | PASSIVATE OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Treatment | PASSIVATE OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment | PASSIVATE RIGHT END SURFACE OF LEFT FLANGE |
| Flange Width | 0.0995 INCHES MINIMUM AND 0.1005 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE INNER LAYER |
| Material | STEEL COMP 630 OUTER LAYER |
| 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 |
|---|---|
| Y61-315370-45-2 PRIMARY | Gyrodyne Co of America Inc (USA) |
NSN 3120-00-034-2020 is a Bearing,sleeve, manufactured by Gyrodyne Co of America Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-034-2020 has 1 manufacturer part number on file: Y61-315370-45-2 (Gyrodyne Co of America Inc).
Key specifications for Y61-315370-45-2: Surface Finish: 32.0 MICROINCHES OVERALL; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER; Corner Shape: RELIEF GROOVE LEFT FLANGE BODY CORNER. 20 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.