Recessed portion of point 0.141 in. Diameter 0.312 in. Lg and engraved head
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).
NSN 5855-01-225-5855
NSN 5990-01-619-6446
NSN 5985-01-222-3215
NSN 6645-00-008-3944
NSN 5910-01-425-8838
NSN 5930-00-282-2736
NSN 5855-01-449-5724
NSN 4140-01-461-2350
NSN 5925-01-413-5686
NSN 5985-01-034-3301
NSN 5996-01-012-3267
NSN 5855-00-300-1873