Used on 3930-01-599-9978. 0.260" hole diameter 0.690" outside diameter 0.17" material thickness nylon countersunk washer washer will not scratch smooth surfaces; washer is reliable from minus 40deg to plus 185deg recessed
Used on 3810-01-550-3454. 2b thread class right-hand 7 thread quantity per inch nylon-insert hex locknut nut is re-useable chromate zinc nut surface treated