The Bearing,ball,rod End, cataloged under National Stock Number 3110-01-503-5187, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-503-5187 |
| Item Name | Bearing,ball,rod End |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Shank Diameter | 0.4375 INCHES NOMINAL IN |
| Shank Thread Length | 0.7495 INCHES NOMINAL IN |
| Bearing Seal Type | CONTACT |
| Width Across Flats | 0.3750 INCHES NOMINAL IN |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3280 INCHES NOMINAL IN |
| Style Designator | DOUBLE ROW, STAGGERED, BALL |
| Overall Outside Diameter | 0.7810 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Self-Alignment Angle | 10.00 DEGREES NOMINAL |
| Shank Style | INTERNALLY THREADED W/HEXAGON END |
| Alignment Type | SELF-ALIGNING |
| Seal Quantity | 2 |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Bore Diameter | 0.1897 INCHES NOMINAL IN |
| Length From Bore Center to Shank End | 1.3750 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OUTER RING |
| Material | STEEL COMP E52100 BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP 4130 SHAFT |
| Material | STEEL COMP E52100 INNER RING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Self-Alignment Location | INTERNAL |
| Inner Ring Width | 0.5000 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 |
|---|---|
| MS21153-4C | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-01-503-5187 is a Bearing,ball,rod End, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-503-5187: Shank Diameter: 0.4375 INCHES NOMINAL IN; Shank Thread Length: 0.7495 INCHES NOMINAL IN; Bearing Seal Type: CONTACT; Width Across Flats: 0.3750 INCHES NOMINAL IN. 26 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.