Head has hole threaded to no.10-32unf-2b; 24 serrations; pitch dia.=0.3906 in.; heat treatment: carburize at 1600-1650 deg. F. To case depth of 0.004-0.006 in., oil quench, temper at 350 deg. F. For 30 min.
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 4140-01-103-3377
NSN 6650-00-938-9233
NSN 5975-01-034-0241
NSN 7035-01-620-1359
NSN 5835-00-833-7080
NSN 6620-00-210-8406
NSN 6320-01-558-8844
NSN 5915-01-185-0293
NSN 6105-01-227-3003
NSN 5910-01-440-6907
NSN 5935-00-643-7896
NSN 5930-00-398-7477