A metal item with a spherical shaped head and a straight and/or tapered body, usually with a threaded shank.
NSN 5998-01-124-2424
NSN 5945-01-473-0434
NSN 6645-00-394-8924
NSN 6610-01-504-7622
NSN 5985-00-110-1814
NSN 5998-00-297-4635
NSN 4140-01-189-2589
NSN 5835-00-518-4507
NSN 5990-00-162-7273
NSN 5915-01-461-9190
NSN 6650-00-272-2271
NSN 5990-01-307-4489