0.500 in. Dia, 0.656 in. Lg
NSN 5835-01-222-2437
NSN 6150-01-039-5916
NSN 5960-00-886-6555
NSN 6110-01-080-8203
NSN 6110-01-273-0223
NSN 5998-01-563-7084
NSN 5930-01-066-5322
NSN 5998-00-494-5620
NSN 6110-01-381-6576
NSN 5855-01-145-2457
NSN 6105-01-511-1233
NSN 5920-00-771-7280