The Bearing,ball,annular, cataloged under National Stock Number 3110-01-304-5840, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-304-5840 |
| Primary Part Number | S5632F7P28LO2 |
| 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 | OIL |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.3590 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Flange Width | 0.0230 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.3125 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO. 7P |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-L-6085 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 |
|---|---|
| SSRIF5632FA7P28L02 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| S5632F7P28LO2 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 13294156 | 5/9 Secondary reference Us Army Aviation and Missile Command |
NSN 3110-01-304-5840 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-304-5840 has 2 manufacturer part numbers on file: SSRIF5632FA7P28L02 (New Hampshire Ball Bearings Inc Div Precision Division), S5632F7P28LO2 (Mpb Corp Div Timken Super Precision).
Key specifications for S5632F7P28LO2: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.3590 INCHES NOMINAL IN. 16 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.