0.500 in. Dia, 0.656 in. Lg
NSN 6220-01-328-7523
NSN 5999-00-406-5025
NSN 5950-00-548-8385
NSN 4140-01-268-6596
NSN 6135-01-656-0761
NSN 5998-00-803-3067
NSN 6110-01-115-1795
NSN 6220-00-558-2147
NSN 6610-01-010-4516
NSN 5965-01-043-9357
NSN 6220-01-060-4984
NSN 5895-01-557-1349