The Bearing,sleeve, cataloged under National Stock Number 3120-01-487-9541, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-487-9541 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Flange Outside Diameter | 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4381 INCHES MINIMUM AND 0.4386 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS5659 TYPE1 15-5PHSTEEL ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 0.3270 INCHES MINIMUM AND 0.3320 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Width | 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | STEEL COMP XM-12 OVERALL |
| 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 |
|---|---|
| 5HP78284-105 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-487-9541 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-487-9541: Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL; Flange Outside Diameter: 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN. 11 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.