1 hole 0.406 in. Dia
NSN 5985-01-611-0893
NSN 5905-01-444-3891
NSN 5965-01-239-4034
NSN 5835-01-297-1909
NSN 5990-00-505-1546
NSN 6320-00-937-5625
NSN 5960-01-657-5958
NSN 6320-01-519-8767
NSN 5910-01-513-2713
NSN 5905-01-552-4645
NSN 6320-01-329-2297
NSN 5960-01-333-1828