The Bearing,sleeve, cataloged under National Stock Number 3120-01-049-6281, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-049-6281 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 0.3725 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Material Document and Classification | MIL-B-5687,TYPE 1,GRADE 2 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-5687,TYPE 1,GRADE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN |
| Flange Width | 0.0287 INCHES MINIMUM AND 0.0337 INCHES MAXIMUM IN |
| Material | OIL LUBRICATING LUBRICATION |
| Material | COPPER ALLOY OR COPPER ALLOY 841 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 |
|---|---|
| MS17796-14 | 2/2 Government specification standardization U.S. Government activity |
NSN 3120-01-049-6281 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-049-6281: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 16 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.