Small end 0.313 in. Dia
NSN 5998-00-898-7077
NSN 6685-01-082-9117
NSN 5895-01-024-9573
NSN 5975-01-386-4457
NSN 7035-00-803-3056
NSN 6220-01-574-5441
NSN 6320-01-652-3806
NSN 6645-01-288-5973
NSN 5905-01-557-9402
NSN 5990-00-284-0537
NSN 6130-01-028-6190
NSN 5915-01-025-6169