The Bearing,plain,spherical, cataloged under National Stock Number 3120-01-320-4075, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-320-4075 |
| Primary Part Number | 4073566 |
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Finish | 8.0 MICROINCHES SPHERICAL SURFACE |
| Surface Finish | 32.0 MICROINCHES RIGHT END SURFACE |
| Corner Shape | SQUARE ALL CORNERS |
| Style Designator | SOLID |
| Body Inside Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Material | COBALT OVERALL |
| Spherical Body Diameter | 0.8228 INCHES MINIMUM AND 0.8232 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4073566 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4073566 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 3120PL0690047 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3120-01-320-4075 is a Bearing,plain,spherical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-320-4075 has 2 manufacturer part numbers on file: 4073566 (Rtx Corporation Div Pratt & Whitney), 4073566 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4073566: Surface Finish: 8.0 MICROINCHES SPHERICAL SURFACE; Surface Finish: 32.0 MICROINCHES RIGHT END SURFACE; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID. 7 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.
NSN 3120-01-320-4075 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.