The Bearing,plain,spherical, cataloged under National Stock Number 3120-01-293-9404, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-293-9404 |
| Primary Part Number | 1338M57P01 |
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES RIGHT END SURFACE |
| Surface Finish | 63.0 MICROINCHES LEFT END SURFACE |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Hardness Rating | 37.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | SOLID |
| Material Document and Classification | AMS 5387 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.5380 INCHES MINIMUM AND 0.5383 INCHES MAXIMUM IN |
| Material | COBALT COMP 6 OVERALL |
| Spherical Body Diameter | 0.7800 INCHES MINIMUM AND 0.7813 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 |
|---|---|
| 1338M57P01 | General Electric Company (USA) |
| 1338M57P01 PRIMARY | Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings (USA) |
| Reference | Meaning |
|---|---|
| 1338M57P01 | 5/9 Secondary reference P.s.i Repair Services, Inc. |
| 1338M57 | 5/1 Secondary reference General Electric Company |
NSN 3120-01-293-9404 is a Bearing,plain,spherical, manufactured by Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-293-9404 has 2 manufacturer part numbers on file: 1338M57P01 (General Electric Company), 1338M57P01 (Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings).
Key specifications for 1338M57P01: Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE; Surface Finish: 63.0 MICROINCHES LEFT END SURFACE; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS. 10 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.