With rubber washer, inside diameter 5/16 inch.
No other part numbers with same form, fit, and function found.
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.
NSN 5999-01-227-1986
NSN 5999-01-392-2280
NSN 5855-00-973-5717
NSN 6240-01-572-2225
NSN 5855-00-055-1579
NSN 5915-01-539-7634
NSN 5915-00-661-2223
NSN 5945-01-551-0588
NSN 5935-01-646-9296
NSN 5935-00-959-5668
NSN 6650-01-485-3444
NSN 5950-00-072-8847