Size: 1/4 (0.250) inches
An item specifically designed for use with a riveter, blind (as modified).
NSN 5915-00-902-0944
NSN 5910-00-350-3539
NSN 6645-01-391-6492
NSN 6645-01-290-3930
NSN 5910-00-818-0923
NSN 6145-01-531-3638
NSN 6220-00-111-0921
NSN 6110-00-188-9874
NSN 5999-01-518-9177
NSN 6110-00-161-9444
NSN 4140-00-547-8918
NSN 5905-01-584-3790