A precision machined and shaped metal block, on which marine propellers are checked, to insure accuracy of pitch, boring, blade spacing, and layout. It is also used as a gauge or an anvil on which a damaged propeller can be beaten and restored to its original pitch.
NSN 5965-01-310-8943
NSN 6620-01-220-8579
NSN 5965-01-064-2107
NSN 7035-01-079-1514
NSN 5895-01-587-2266
NSN 5855-01-486-9924
NSN 5855-00-320-4116
NSN 5985-01-339-8213
NSN 6105-01-167-0446
NSN 7035-01-207-8704
NSN 5975-00-015-7919
NSN 7035-01-477-4181