The Bearing,ball,annular, cataloged under National Stock Number 3110-00-474-3208, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-474-3208 |
| Primary Part Number | 556259 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Outer Ring Width | 0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.2330 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 5630 MIL STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AMS 5630 MIL STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 5630 MIL STD SINGLE MATERIAL RESPONSE OUTER RING |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0170 INCHES MINIMUM AND 0.0180 INCHES MAXIMUM IN |
| Outer Ring Outside Diameter | 0.18735 INCHES MINIMUM AND 0.18750 INCHES MAXIMUM IN |
| Bore Diameter | 0.09355 INCHES MINIMUM AND 0.09370 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | STEEL COMP 410 RETAINER |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.0927 INCHES MINIMUM AND 0.0937 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 |
|---|---|
| 556259 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| 556259 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| SFR133EEK28 | 5/9 Secondary reference U.S. Government activity |
| 556259 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-474-3208 is a Bearing,ball,annular, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-474-3208 has 2 manufacturer part numbers on file: 556259 (New Hampshire Ball Bearings Inc Div Precision Division), 556259 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 556259: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Outer Ring Width: 0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN. 22 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.