Product Description
| Thread size | 3/8" BSF |
| Thread pitch | 20 tpi |
| Across flats | 0.600" |
| Height of nut | 0.400" |
| Material | Mild steel |
| Finish | Zinc plated |
| Spanner size | 3/8 BS 5/16W |
Dynamo Driven Sprocket Castle Nut - BSA A7/A10 Models Circa 1947-63 + Ariel Huntmaster
Slotted castle nut - secures the small dynamo driven sprocket.
Correct fitment on all A7 and A10 models circa 1947-63 + Ariel Huntmaster models circa 1954-58.
Overall height: 3/8" (10.2mm)
OD: 5/8" (15.2mm)
Thread: 3/8" BSF 20 TPI
OEM: 19-1473, 10352-54
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