Specific matl is delrin 500 du pont
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6320-01-441-1237
NSN 6610-01-357-0669
NSN 5920-00-338-6966
NSN 5915-01-258-4911
NSN 5855-00-281-3843
NSN 6240-01-341-6348
NSN 5960-01-025-2526
NSN 5915-01-317-2489
NSN 5999-01-056-4145
NSN 5905-01-179-9749
NSN 5975-01-517-7190
NSN 5990-00-561-3407