The Bearing,ball,annular, cataloged under National Stock Number 3110-01-263-5660, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 14 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. Current acquisition status: Active.
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Mpb Corp Div Timken Super Precision (CAGE 40920) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-263-5660 |
| Primary Part Number | SR4CHH5P28LY167 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 0.5350 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Standard Tolerance Designation | ABEC NO. 5P |
| Bore Diameter | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| SR4CHH5P28LY167 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
NSN 3110-01-263-5660 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-263-5660 has 1 manufacturer part number on file: SR4CHH5P28LY167 (Mpb Corp Div Timken Super Precision).
Key specifications for SR4CHH5P28LY167: Retainer Fabrication Method: PRESSED; Lubrication Material: GREASE; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 14 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.