Flats sides of shoulder are 0.500 in. Long, 0.250 in. From nut end shank; 0.038 in. Dia. Grooves, 0.060 in. Wide between shank and threads on stud nut end
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. All or part of the unthreaded section has a cross-sectional diameter greater than the nominal stud size plus 0.020 inches (0.508 mm). It may be thread relieved. See also stud, locked in.
NSN 6220-01-056-6507
NSN 6240-00-334-6766
NSN 5905-01-648-8215
NSN 4140-01-082-9097
NSN 5855-00-149-0766
NSN 5985-01-243-1027
NSN 5950-00-651-3068
NSN 6320-01-338-6006
NSN 4140-00-395-2525
NSN 5835-00-050-4330
NSN 6610-01-479-4538
NSN 6220-00-944-4512