Washer type ring machined 0.050 inch below head, 0.312 inch diameter by 0.050 inch thick and serves as screw head bearing surface
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.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5945-00-820-3652
NSN 5910-01-035-7437
NSN 6320-01-397-9995
NSN 6650-01-286-2714
NSN 5990-01-516-9665
NSN 6320-01-600-5808
NSN 5910-00-733-8021
NSN 5930-01-508-4393
NSN 5985-01-408-8730
NSN 5990-01-215-0590
NSN 6145-01-241-0965
NSN 6130-00-051-3793