The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-048-7927, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-048-7927 |
| Primary Part Number | 03-823-40E001 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,T3 MIL SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625,T1,T2 MIL SPEC 2ND TREATMENT RESPONSE INSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625,T1,T2 MIL SPEC 2ND TREATMENT RESPONSE OUTER RACE MEMBER |
| Inner Member Width | 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Outer Member Width | 0.8000 INCHES MINIMUM AND 0.8050 INCHES MAXIMUM IN |
| Style Designator | WITH INSERT AND/OR LINER |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE INNER MEMBER |
| Surface Treatment | ANODIZE INNER MEMBER |
| Surface Treatment | OXIDE FILM AND ANODIZE INSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment | OXIDE FILM AND ANODIZE OUTER RACE MEMBER |
| Static Radial Load Rating | 67000 POUNDS LBS |
| Bore Diameter | 2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| Material | PLASTIC RACE LINER |
| Material | ALUMINUM ALLOY 2024 OUTER RACE MEMBER |
| Material | ALUMINUM ALLOY 2024 INNER MEMBER |
| Outer Member Outside Diameter | 3.2490 INCHES MINIMUM AND 3.2500 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 |
|---|---|
| 03-823-40E001 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| NC-40T-2 PRIMARY | Timken Aurora Bearing Company (USA) |
| HSP40TL110 PRIMARY | U S Bearings (USA) |
| ADSB40-205 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| C7546-2 | U S Bearings (USA) |
| C7546-2 | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| C7546-2 | Timken Aurora Bearing Company (USA) |
| Reference | Meaning |
|---|---|
| C7546-2 | 3/2 Design control — primary reference U.S. Government activity |
| C7546-2 | 3/2 Design control — primary reference U.S. Government activity |
| KSAD40-6 | 3/2 Design control — primary reference U.S. Government activity |
| SWKN-40-012 | 5/1 Secondary reference U.S. Government activity |
| C7546-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| C7546-2 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| 3120PL1622916 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3120PL0685286 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3120-01-048-7927 is a Bearing,plain,self-Aligning, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-048-7927 has 7 manufacturer part numbers on file: 03-823-40E001 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), NC-40T-2 (Timken Aurora Bearing Company), HSP40TL110 (U S Bearings), ADSB40-205 (New Hampshire Ball Bearings Inc Div Astro Division), C7546-2 (U S Bearings) and 2 more.
Key specifications for 03-823-40E001: Surface Treatment Document and Classification: MIL-A-8625,T3 MIL SPEC SINGLE TREATMENT RESPONSE INNER MEMBER; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625,T1,T2 MIL SPEC 2ND TREATMENT RESPONSE INSIDE DIAMETER SURFACE OF BODY; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625,T1,T2 MIL SPEC 2ND TREATMENT RESPONSE OUTER RACE MEMBER; Inner Member Width: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN. 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.