The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-024-2514, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-024-2514 |
| Primary Part Number | 21-227-3 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Distance From Centerline of Opening to Left End of Bearing | 0.8750 INCHES NOMINAL FIRST IN |
| Locking Lug Height | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Distance From Lug End to Inside of Flange | 0.2530 INCHES MINIMUM AND 0.2580 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Style Designator | HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 2.4800 INCHES MINIMUM AND 2.4805 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Locking Lug Width | 0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN |
| Surface Treatment | TIN OVERALL |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Material | STEEL COMP 1010 OVERALL |
| Material | LEAD ALLOY INNER LAYER |
| Material | OIL LUBRICATING LUBRICATION |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Locking Lug Length | 0.1875 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN |
| Hole Diameter | 0.2500 INCHES NOMINAL FIRST IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21-227-3 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| Reference | Meaning |
|---|---|
| 21-227-3 | 5/9 Secondary reference Dresser Industries Inc Waukesha Engine Div |
NSN 3120-00-024-2514 is a Bearing Half,sleeve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-024-2514 has 1 manufacturer part number on file: 21-227-3 (Dresser Industries Inc Leroi Div).
Key specifications for 21-227-3: Corner Shape: SQUARE ALL CORNERS; Distance From Centerline of Opening to Left End of Bearing: 0.8750 INCHES NOMINAL FIRST IN; Locking Lug Height: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN; Distance From Lug End to Inside of Flange: 0.2530 INCHES MINIMUM AND 0.2580 INCHES MAXIMUM IN. 17 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.