An externally threaded fastener similar to a screw, machine but smaller than no. 0 (0.060 in.) (1.5 mm) in size.
NSN 5996-00-172-3647
NSN 6110-01-187-8506
NSN 5985-00-059-1167
NSN 5925-01-611-1966
NSN 6240-00-145-1182
NSN 5910-01-442-7256
NSN 6685-01-004-9356
NSN 4140-00-564-3845
NSN 4140-01-246-7041
NSN 5965-01-440-9898
NSN 5925-01-048-0562
NSN 6650-01-214-8856