39200003 – 39200004 养贞互换型号与 Kaydon
| Pinion Part Number | 39200003 39200004 |
| Tooth Form | Stub Involute Spur Gear (Ref. ASA B6.1-1932) |
| Number of Teeth (z1) for 39200003 Pinion | 14 |
| Number of Teeth (z1) for 39200004 Pinion | 17 |
| Diametral Pitch (Pd) (Mating Pinions) | 3 in |
| Face Width (b1) | 2 in |
| Face Width (b1) Tolerance | ±0.015 in |
| Length of Pinion (L1) | 2.880 in |
| Length of Pinion (L1) Tolerances | ±0.015 in |
| Pitch Diameter (D1) for 3900003 Pinion | 4.667 in |
| Pitch Diameter (D1) for 3900004 Pinion | 5.667 in |
| Outside Diameter (Do1) for 39200003 Pinion | 5.200 in |
| Outside Diameter (Do1) for 39200004 Pinion | 6.200 in |
| Outside Diameter (Do1) Tolerance | -0.010 in +0.000 in |
| Diameter of Hub (Dr1) for 39200003 Pinion | 3.880 in |
| Diameter of Hub (Dr1) for 39200004 Pinion | 4.880 in |
| Stock Bore (Di1) | 1.250 in |
| Stock Bore (Di1) Tolerances | -0.000 in +0.002 in |
| Square Key Size, Nominal (w) | 5/16 in |
| Approximate Weight (lb) for 39200003 Pinion | 11.4 lb |
| Approximate Weight (lb) for 39200004 Pinion | 18.3 lb |
