The Bearing,sleeve, cataloged under National Stock Number 3120-01-237-7592, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-237-7592 |
| Primary Part Number | 74A480612-2005 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Roller Bearing Company of America, Inc. |
| Status | ACTIVE |
| Right Internal Flange Width | 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.9570 INCHES MINIMUM AND 2.9580 INCHES MAXIMUM IN |
| Body Inside Diameter | 2.7540 INCHES MINIMUM AND 2.7560 INCHES MAXIMUM IN |
| Right Internal Flange Hole Diameter | 2.5150 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER |
| Material | ALUMINUM ALLOY 2024 OUTER LAYER |
| 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 |
|---|---|
| 74A480612-2005 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| 74A480612-2005 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| 74A480612-2005 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 74A480612-2005 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A480612-2005 PRIMARY | U S Bearings (USA) |
| 74A480612-2005 PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 74A480612-2005 | 3/2 Design control — primary reference U.S. Government activity |
| 10108250 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A480612-2005 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 3120-01-237-7592 is a Bearing,sleeve, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-237-7592 has 6 manufacturer part numbers on file: 74A480612-2005 (Roller Bearing Company of America, Inc.), 74A480612-2005 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 74A480612-2005 (New Hampshire Ball Bearings Inc Div Astro Division), 74A480612-2005 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A480612-2005 (U S Bearings) and 1 more.
Key specifications for 74A480612-2005: Right Internal Flange Width: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN; Body Outside Diameter: 2.9570 INCHES MINIMUM AND 2.9580 INCHES MAXIMUM IN; Overall Length: 7.0100 INCHES NOMINAL IN; Body Inside Diameter: 2.7540 INCHES MINIMUM AND 2.7560 INCHES MAXIMUM IN. 6 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.