No other part numbers with same form, fit, and function found.
A sighting device, usually a disk or segment with a central peephole, so designed to fit in the breech end of the gun tube for the purpose of aligning the sights with the gun.
NSN 7035-00-631-3782
NSN 5930-01-424-0021
NSN 5920-01-406-2250
NSN 5935-01-246-0340
NSN 5835-01-392-7683
NSN 5925-01-319-6738
NSN 5925-01-363-9925
NSN 5965-01-605-0090
NSN 2925-01-460-1601
NSN 5915-01-467-4468
NSN 5985-01-034-7523
NSN 5905-01-497-5313