The Bearing,ball,annular, cataloged under National Stock Number 3110-01-019-2488, 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 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-019-2488 |
| Primary Part Number | 42312-205 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AMS 6440 ASSN STD 1ST MATERIAL RESPONSE BALL |
| Material Document and Classification | AMS 6440 ASSN STD 1ST MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 6440 ASSN STD 1ST MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 1.3775 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.6690 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 42312-205 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 103KS30 | 5/9 Secondary reference Skf Usa Inc. |
| 42312-205 | 3/2 Design control — primary reference U.S. Government activity |
| HKB 103-121 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| 10107436 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 42312-205 | 1/2 Source control — Government-approved source U.S. Government activity |
| 42312D205 | 5/9 Secondary reference U.S. Government activity |
| 42312-205 | 5/9 Secondary reference Skf Usa Inc. |
NSN 3110-01-019-2488 is a Bearing,ball,annular, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-019-2488 has 1 manufacturer part number on file: 42312-205 (Mpb Corporation Dba Mpb Corp).
Key specifications for 42312-205: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 13 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.