Bearing surface of head undercut and cone point
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 undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6610-00-583-1084
NSN 6135-00-553-7995
NSN 5915-01-061-7981
NSN 5999-00-557-4973
NSN 6105-01-170-5420
NSN 5920-00-840-7313
NSN 5975-01-550-1240
NSN 5905-00-840-5838
NSN 5855-01-594-2082
NSN 5895-01-104-4410
NSN 2925-01-484-8556
NSN 4140-01-175-0919