31 diameter counterbore x .18 deep in center
NSN 6320-01-296-3181
NSN 6240-00-518-3541
NSN 5960-00-188-8648
NSN 5975-01-181-8328
NSN 6685-01-564-9421
NSN 5965-01-094-1796
NSN 5996-01-457-9158
NSN 6685-00-399-3250
NSN 5835-01-558-9444
NSN 6145-00-801-4621
NSN 6240-00-117-9957
NSN 6110-01-204-0155
Last Updated: 05/17/2024