The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-451-4097, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-451-4097 |
| Primary Part Number | 566-6405741-SDGD-B34 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Inner Member Width | 3.4950 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN |
| Outer Member Width | 2.9950 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN |
| Style Designator | WITHOUT INSERT OR LINER |
| Static Radial Load Rating | 177000 POUNDS LBS |
| Bore Diameter | 3.3745 INCHES MINIMUM AND 3.3765 INCHES MAXIMUM IN |
| Outer Member Outside Diameter | 5.9995 INCHES MINIMUM AND 6.0015 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 |
|---|---|
| 566-6405741-SDGD-B34 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| 6230503-B34 | Naval Sea Systems Command (USA) |
| 566-6405741-SDGD-B34 PRIMARY | Kamatics Corporation (USA) |
| 566-6405741-SDGD-B34 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 566-6405741-SDGD-B34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-451-4097 is a Bearing,plain,self-Aligning, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-451-4097 has 4 manufacturer part numbers on file: 566-6405741-SDGD-B34 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 6230503-B34 (Naval Sea Systems Command), 566-6405741-SDGD-B34 (Kamatics Corporation), 566-6405741-SDGD-B34 (Naval Sea Systems Command).
Key specifications for 566-6405741-SDGD-B34: Inner Member Width: 3.4950 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN; Outer Member Width: 2.9950 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN; Style Designator: WITHOUT INSERT OR LINER; Static Radial Load Rating: 177000 POUNDS LBS. 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.