The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-332-8031, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-332-8031 |
| Primary Part Number | S2532BISTE5P515LY231 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Lubrication Material | GREASEGREASE |
| Outer Ring Width | 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL IN |
| Shield Quantity | 22 |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 2.0000 INCHES NOMINAL2.0000 INCHES NOMINAL IN |
| Load Direction | RADIALRADIAL |
| Alignment Type | RIGIDRIGID |
| Standard Tolerance Designation | ABEC NO.5ABEC NO.5 |
| Bore Diameter | 1.5625 INCHES NOMINAL1.5625 INCHES NOMINAL IN |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE OR MQBIL 28,CAGEC 19135 MFR REF SINGLE MATERIAL RESPONSEMQBIL 28,CAGEC 19135 MFR REF SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2812 INCHES NOMINAL0.2812 INCHES NOMINAL IN |
| 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 |
|---|---|
| S2532BISTE5P515LY231 | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 137-325-9006 | 7/2 Vendor item drawing reference Honeywell International Inc. Div Aerospace - Torrance |
| SR543PPT8K515/274 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-332-8031 is a Bearing,ball,airframe, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-332-8031 has 1 manufacturer part number on file: S2532BISTE5P515LY231 (Mpb Corp Div Timken Super Precision).
Key specifications for S2532BISTE5P515LY231: Lubrication Material: GREASEGREASE; Outer Ring Width: 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL IN; Shield Quantity: 22. 12 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.