The Bearing Half,sleeve, cataloged under National Stock Number 3120-01-034-6603, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-034-6603 |
| Primary Part Number | 05149572 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Locking Lug Height | 0.2200 INCHES NOMINAL IN |
| Body Outside Diameter | 3.2770 INCHES MINIMUM AND 3.3270 INCHES MAXIMUM IN |
| Style Designator | HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 3.0000 INCHES NOMINAL IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Locking Lug Width | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Surface Treatment | TIN OVERALL |
| Distance From Lug End to End of Bearing | 0.0888 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OUTER LAYER |
| Material | ALUMINUM ALLOY INNER LAYER |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Locking Lug Length | 0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM 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 |
|---|---|
| 05149572 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 05148936 | 5/1 Secondary reference Rolls-Royce Solutions America Inc |
| 05107200 | 5/1 Secondary reference Rolls-Royce Solutions America Inc |
| 25148936 | 5/9 Secondary reference Harig Mfg Corp |
| K 5148936 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
NSN 3120-01-034-6603 is a Bearing Half,sleeve, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-034-6603 has 1 manufacturer part number on file: 05149572 (Rolls-Royce Solutions America Inc).
Key specifications for 05149572: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: CHAMFERED INSIDE 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.