Groove 0.281 in. Wide by 0.218 in. Deep extends full height of head, thread end of bolt has diameter of 1.000 in. By 0.250 in. Lg; two slots 0.199 in. Wide by 0.281 in. Depth on thread end slots 67-1/2 degrees apart
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.
NSN 5996-01-543-7192
NSN 6105-01-043-9569
NSN 5895-01-540-3771
NSN 6650-01-463-4564
NSN 7035-00-365-3989
NSN 5915-01-480-7519
NSN 5960-01-089-8155
NSN 5835-01-158-6878
NSN 5915-00-467-6796
NSN 6130-01-080-4838
NSN 5996-01-038-3850
NSN 5915-01-374-4887