Ordtech
Electromechanical Intervalometer
OMI-356AS172 intervalometer for 2.75 inch Rocket Launchers
For 7-tube and 19-tube launchers 2.75 inch, equivalent to 356AS172-1 and 356AS172-2
NSN: 1340-00-157-5917 NSN: 1340-00-390-3885
Note: this is the only known, currently in production intervalometer which meets or exceeds standard MIL-S-85377

