The Bearing,ball,fairlead, cataloged under National Stock Number 3110-01-391-2175, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-391-2175 |
| Item Name | Bearing,ball,fairlead |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 0.2340 INCHES NOMINAL IN |
| Groove Radius | 0.0520 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Style Designator | SINGLE ROW RIGID, GROOVED OD INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 0.7980 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.1895 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM IN |
| Material | STEEL COMP 5140 BALL |
| Material | STEEL CORROSION RESISTING SHIELD |
| Material | STEEL COMP 5140 INNER RING |
| Material | STEEL COMP 5140 OUTER RING |
| Inner Ring Width | 0.2970 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 |
|---|---|
| FL3C3-7 | 5/9 Secondary reference Timken Co Div the Timken Company |
| FL3C3-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-391-2175 is a Bearing,ball,fairlead, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-391-2175: Bearing Seal Type: CONTACT; Outer Ring Width: 0.2340 INCHES NOMINAL IN; Groove Radius: 0.0520 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN; Style Designator: SINGLE ROW RIGID, GROOVED OD INNER RING EXTENDED BOTH SIDES. 13 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.