0.249" hole diameter navy special project furnished with spring pin NAS1407N3M2; through hole 0.470 in. min 0.0485 in. max dia located on face of washer chromate surface treated
1.002" hole diameter 1.788" outside diameter 0.124" material thickness chamfer 0.030 in. min 0.040 in. max by 45 deg outside left corner cadmium surface treated 15 recessed