Number 4-40 x 5/16 socket head cap screw
No other part numbers with same form, fit, and function found.
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.
NSN 6145-01-212-7988
NSN 5950-01-178-4152
NSN 4140-01-487-3180
NSN 6220-01-433-8739
NSN 6220-00-251-5600
NSN 5910-00-190-8478
NSN 5985-01-032-4818
NSN 2925-01-408-9485
NSN 5985-00-452-2228
NSN 6135-01-651-7287
NSN 6130-00-880-6000
NSN 6650-01-287-7960