20 serrated teeth on head
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 4140-00-365-2531
NSN 5990-01-416-1017
NSN 5930-01-504-9657
NSN 2925-01-394-5650
NSN 6320-01-624-0193
NSN 6240-01-025-4495
NSN 5950-01-048-0141
NSN 4140-00-760-4498
NSN 5945-00-455-0854
NSN 6110-00-193-2847
NSN 6645-00-664-4665
NSN 5910-00-528-9714