The Bearing,sleeve, cataloged under National Stock Number 3120-01-503-9991, 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7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-503-9991 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.4381 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-B-85560 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER |
| Body Inside Diameter | 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE INNER LAYER |
| Material | GLASS FIBER 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 |
|---|---|
| MIL-B-85560/1 | 5/1 Secondary reference U.S. Government activity |
| MIL-B-85560 | 4/1 Identification reference U.S. Government activity |
| M85560/1-05-008 | 2/2 Government specification standardization U.S. Government activity |
| 0-001-110-01 FIND NO 83 | 5/1 Secondary reference Vericor Power Systems Llc |
NSN 3120-01-503-9991 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-503-9991: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.4381 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-B-85560 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER. 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.