Hourmeter calibrated at 62500 rpm equal one hour
A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.
NSN 5975-00-171-3608
NSN 5950-01-047-4531
NSN 5855-01-295-2313
NSN 6645-01-373-8860
NSN 6650-01-057-2596
NSN 6110-01-090-0804
NSN 5925-01-378-6857
NSN 7035-01-302-5359
NSN 5985-01-634-0635
NSN 5960-00-251-6607
NSN 6685-01-458-9763
NSN 5999-00-079-0368