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 5915-00-291-3736
NSN 5990-01-492-6575
NSN 6220-01-485-0333
NSN 6650-00-849-9689
NSN 6610-01-144-8401
NSN 6240-00-822-4571
NSN 5945-00-128-9260
NSN 6645-01-198-7956
NSN 6110-00-321-1271
NSN 6320-00-731-6134
NSN 5895-01-147-5204
NSN 6220-01-057-7365