The Bearing,sleeve, cataloged under National Stock Number 3120-00-159-7137, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-159-7137 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.5020 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Material Document and Classification | MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| 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 |
|---|---|
| MS17795-48 | 3/2 Design control — primary reference U.S. Government activity |
| P38-5 | 5/9 Secondary reference Bunting Bearings Corp |
| EP060810 | 5/9 Secondary reference Bunting Bearings Corp Kalamazoo Plant |
| MS17795 | 5/9 Secondary reference U.S. Government activity |
| ASTM B438 | 3/1 Design control — primary reference U.S. Government activity |
| EP060810 | C/1 Advisory reference — outside the item-of-supply concept Bunting Bearings Llc Dba Bunting Bearings Corp |
| MS17795-48 | 5/9 Secondary reference U.S. Government activity |
| P38-5 | 5/9 Secondary reference Bunting Bearings Corp Kalamazoo Plant |
NSN 3120-00-159-7137 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-159-7137: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.5020 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 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.