The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-048-0103, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-01-048-0103 |
| Primary Part Number | ADSB100-201 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 TYPE 1 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-A-8625 TYPE 2 MIL SPEC 3RD TREATMENT RESPONSE OUTER RACE MEMBER |
| Inner Member Width | 1.1280 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN |
| Outer Member Width | 0.9000 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM IN |
| Style Designator | WITH INSERT AND/OR LINER |
| Material Document and Classification | QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-70013 FED SPEC 2ND MATERIAL RESPONSE INNER MEMBER |
| Material Document and Classification | QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-70013 FED SPEC 2ND MATERIAL RESPONSE OUTER RACE MEMBER |
| Surface Treatment | ANODIZE INNER MEMBER |
| Surface Treatment | OXIDE FILM AND ANODIZE OUTER RACE MEMBER |
| Static Radial Load Rating | 224000 POUNDS LBS |
| Bore Diameter | 6.2740 INCHES MINIMUM AND 6.2750 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 5083 INNER MEMBER |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 5083 OUTER RACE MEMBER |
| Outer Member Outside Diameter | 6.8990 INCHES MINIMUM AND 6.9000 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 |
|---|---|
| BS201FTF221-2WA2744 | Rbc Aircraft Products, Inc. (USA) |
| 03-824-100E-001 | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| ADSB100-201 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| BS201FTF221-2WA2744 | 5/9 Secondary reference Timken Co Div the Timken Company |
| C7547-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| KSAD100-5 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-048-0103 is a Bearing,plain,self-Aligning, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-048-0103 has 3 manufacturer part numbers on file: BS201FTF221-2WA2744 (Rbc Aircraft Products, Inc.), 03-824-100E-001 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), ADSB100-201 (New Hampshire Ball Bearings Inc Div Astro Division).
Key specifications for ADSB100-201: Surface Treatment Document and Classification: MIL-A-8625 TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE INNER MEMBER; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 TYPE 1 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-A-8625 TYPE 2 MIL SPEC 3RD TREATMENT RESPONSE OUTER RACE MEMBER; Inner Member Width: 1.1280 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN; Outer Member Width: 0.9000 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM IN. 14 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.