The Bearing,sleeve, cataloged under National Stock Number 3120-00-784-1269, 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9 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-784-1269 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-L-15016 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 | 0.5010 INCHES MINIMUM AND 0.5020 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 |
|---|---|
| P50-3 | 5/9 Secondary reference Bunting Bearings Corp Kalamazoo Plant |
| B10-22 | C/1 Advisory reference — outside the item-of-supply concept Roller Bearing Co of America, Inc Div Pic Design |
| P50-3 | 5/9 Secondary reference Bunting Bearings Corp |
| MS17795-70 | 2/2 Government specification standardization U.S. Government activity |
| MS17795 | 4/1 Identification reference U.S. Government activity |
| CS502BA0375 | 5/9 Secondary reference Bound Brook Bearing Co |
| EP 081006 | 5/1 Secondary reference Bunting Bearings Corp |
| TCC4410 C PIECE 135 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. |
| 315282 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. |
| 6391K211 | 5/1 Secondary reference Mcmaster-Carr Supply Co |
| 12Z10003-181 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3120-00-784-1269 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5930-00-996-1997, 5935-01-286-9658, 4820-01-311-1016. Verify interchangeability with system specifications before substitution.
Key specifications for 3120-00-784-1269: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C 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.