The Bearing,plain,spherical, cataloged under National Stock Number 3120-01-438-5740, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-438-5740 |
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Style Designator | SOLID |
| Material Document and Classification | SS-5645-15, DINGZ-CUSN12 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 110.00 MILLIMETERS NOMINAL MM |
| Lubricant Accommodation Style | GROOVED STRAIGHT AND CIRCULAR |
| Antirotation/lubrication Type and Quantity | 4 HOLE |
| Material | COPPER ALLOY OVERALL |
| Spherical Body Diameter | 155.00 MILLIMETERS NOMINAL MM |
| Hole Diameter | 4.00 MILLIMETERS NOMINAL FIRST MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MGN11177-110 | 3/9 Design control — primary reference Macgregor Usa Inc. Div Macgregor Usa |
| 589-6952791 ITEM 5 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-438-5740 is a Bearing,plain,spherical, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-438-5740: Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID; Material Document and Classification: SS-5645-15, DINGZ-CUSN12 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 100.00 MILLIMETERS NOMINAL MM. 9 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.