The Bearing,sleeve, cataloged under National Stock Number 3120-00-401-0804, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-401-0804 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.5635 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.3747 INCHES MINIMUM AND 0.3752 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE INNER LAYER |
| Material | STEEL 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 |
| Reference | Meaning |
|---|---|
| BYRB578 | C/1 Advisory reference — outside the item-of-supply concept Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| DBS6-142 | 3/2 Design control — primary reference U.S. Government activity |
| C2834-6 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3120-00-401-0804 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-129-9634. Verify interchangeability with system specifications before substitution.
Key specifications for 3120-00-401-0804: Surface Finish: 63.0 MICROINCHES OVERALL; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.5635 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 7 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.