The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-166-2642, 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 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-166-2642 |
| Primary Part Number | 12294082 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Overall Outside Diameter | 0.6248 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Bore Diameter | 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM 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 |
|---|---|
| 12294082 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| 12294082 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| SR40208PTK811-1ABEC7T | 5/9 Secondary reference U.S. Government activity |
| 12294082 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| G5-000 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| SSRI-1035ZSD513DB20KCA7P58LG | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| 12294082 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| G005 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-166-2642 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-166-2642 has 2 manufacturer part numbers on file: 12294082 (Mpb Corp Div Timken Super Precision), 12294082 (New Hampshire Ball Bearings Inc Div Precision Division).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-524-9631. Verify interchangeability with system specifications before substitution.
Key specifications for 12294082: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Shield Quantity: 2. 6 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.