Astm a36 steel plate, 1.5in.Thk; 2pc, each 4.81in.By 9.62in., o/a 9.62in.Sq w/1.00in radius outside corners, inside opening creates 5.63in.Dia
NSN 5915-00-774-6372
NSN 5915-00-655-1804
NSN 6610-01-045-9419
NSN 2925-00-169-3775
NSN 5996-00-905-0844
NSN 5920-00-683-7883
NSN 6645-00-814-4558
NSN 5999-01-398-0258
NSN 5920-00-806-5613
NSN 5945-01-186-4839
NSN 5835-01-198-6814
NSN 5905-01-629-6375