The Bearing,ball,fairlead, cataloged under National Stock Number 3110-01-291-0777, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-291-0777 |
| Item Name | Bearing,ball,fairlead |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.5000 INCHES NOMINAL IN |
| Groove Diameter | 0.3390 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Groove Radius | 0.1300 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW RIGID, GROOVED OD INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.0000 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL RETAINER |
| Material | STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.5625 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 |
| Reference | Meaning |
|---|---|
| FL4C6-2 | 5/9 Secondary reference Timken Co Div the Timken Company |
| FL4C6-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-291-0777 is a Bearing,ball,fairlead, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-291-0777: Lubrication Material: GREASE; Outer Ring Width: 0.5000 INCHES NOMINAL IN; Groove Diameter: 0.3390 INCHES NOMINAL IN; Shield Quantity: 2. 15 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.