0.500 in. Dia; 0.310 in. Lg; one unthd hole 0.125 in. Dia; matl-metal
NSN 4140-01-540-1296
NSN 4140-00-872-3363
NSN 6145-00-011-2390
NSN 6650-00-692-1541
NSN 5910-00-233-1780
NSN 6645-01-590-9405
NSN 5999-01-299-5545
NSN 2925-01-062-2660
NSN 6650-00-551-7708
NSN 6320-01-607-1491
NSN 5915-00-959-5454
NSN 5935-01-112-3634