TM 9-2350-277-20-4 REPLACE COMMANDER’S HATCH HOOK AND BUMPER (M577A3 AND M1068A3 ONLY) — Continued 0501 00 6. Remove locknut (14), screw (15), two washers (16), spring (17), two spacers (18), and hook (19) from hull brackets. Discard locknut. 0501 00-3
