The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-398-6630, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-398-6630 |
| Primary Part Number | S812M7P38LYF304ZDMD85/10 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Overall Outside Diameter | 0.7500 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO. 7P |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 440C INNER RACE |
| Material | STEEL COMP 440C OUTER RACE |
| 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 |
|---|---|
| S812M7P38LYF304ZDMD85/10 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 7548587P0002 | 5/9 Secondary reference U.S. Government activity |
| 7548587P2 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-398-6630 is a Bearing,ball,airframe, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-398-6630 has 1 manufacturer part number on file: S812M7P38LYF304ZDMD85/10 (Mpb Corporation Dba Mpb Corp).
Key specifications for S812M7P38LYF304ZDMD85/10: Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Overall Width: 0.1560 INCHES NOMINAL IN; Overall Outside Diameter: 0.7500 INCHES NOMINAL IN; Special Features: DIP BEARING INTO OIL SOLVENT MIXTURE; GRADED FOR PRELOAD PAIRS HAVING MATCHED OUTSIDE DIAMETERS AND BORES. 8 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.