Concentric hole in head dia. 0.250 in.; depth of hole 0.650 in.
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.
Classification: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 6240-01-131-1154
NSN 7035-01-462-5766
NSN 6645-01-388-0391
NSN 6130-00-249-2905
NSN 6645-01-481-7698
NSN 6620-00-227-6776
NSN 5895-01-123-9027
NSN 5945-01-543-6322
NSN 6240-01-156-0285
NSN 5925-01-626-5276
NSN 6220-01-091-9103
NSN 5910-00-219-7304