MIL-S-60233 Revision C, December 1, 1969
SIGHT, REFLEX, HELICOPTER: M60A1
Includes all amendments and changes through Cancellation Notice 1, February 25, 2013
Additional Comments: CNCL NO S/S
This specification covers the XM60 Series of reflex sights. Each sight provides a mechanism that may be employed, at the option of the users, to mobilize the sight in increments of elevation and depression. They are fixed in azimuth.