TM 9-2320-361-20 11-36. MIRROR AND BRACKETS REPLACEMENT (Contd) 8. Install two spacers (20) on mirror (21) and install mirror (21) on bracket (22) with two washers (19) and new locknuts (18). 9. Install convex mirror (17) on brace (24) with two brackets (23), screw (25), washer ( 15), new locknut (16), and new screw-assembled washer (26). 11-73