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 5999-00-918-2966
NSN 5960-00-275-7497
NSN 6220-01-456-7083
NSN 5925-01-649-1424
NSN 7035-01-616-1739
NSN 6135-00-080-9176
NSN 5985-00-542-0597
NSN 5990-00-001-4570
NSN 6650-01-341-1670
NSN 6105-01-618-3249
NSN 7035-00-585-2113
NSN 5835-01-493-1826