The Bearing,ball,annular, cataloged under National Stock Number 3110-00-993-8549, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-993-8549 |
| Primary Part Number | 57A5A102-107 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 1.1250 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Calibration Designator | C |
| 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 |
|---|---|
| 57A5A102-107 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| SR8SSK25C011 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
NSN 3110-00-993-8549 is a Bearing,ball,annular, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-993-8549 has 2 manufacturer part numbers on file: 57A5A102-107 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SR8SSK25C011 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for 57A5A102-107: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 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.