1 hole 0.406 in. Dia
NSN 5910-01-348-2815
NSN 5945-00-577-7046
NSN 6650-00-899-5145
NSN 6150-01-153-0521
NSN 5935-00-648-3298
NSN 5950-01-428-6700
NSN 5945-01-262-8695
NSN 6620-01-400-2928
NSN 6130-01-301-0637
NSN 7035-00-153-3826
NSN 6320-01-253-9585
NSN 5930-00-025-1010