1 hole 0.406 in. Dia
NSN 6130-00-995-8449
NSN 6220-01-599-4921
NSN 5835-01-592-2350
NSN 5910-00-177-8291
NSN 6610-01-526-2054
NSN 5925-01-044-4880
NSN 6320-01-362-9518
NSN 6610-01-442-3509
NSN 5895-01-320-5164
NSN 5990-00-400-4794
NSN 7035-00-193-2269
NSN 5920-01-642-1570