TM 9-2350-277-34 REPLACE KEY LOCKED SCREW INSERTS — Continued 0042 00 KEY-LOCKED SCREW INSERT DATA INTERNAL THREAD SIZE PART NUMBER/ NSN REMOVAL DRILL DIAMETER REMOVAL DRILL DEPTH APPLICATION 1/4-20UNF-3B MS51830-202L 5340-00-079-2066 .344 (11/32) .188 (3/16) Hull Bolted Subassy (M901A3 & M981A3 Only). 3/8-16UNJC-3B MS51813-104 5340-01-066-2840 .469 (15/32) .187 (3/16) Air Cleaner Mtg Provisions. 3/8-16UNC-3B 7771298-6 (19207) 5340-00-931-7253 .281 (9/32) .125 (1/8) Cover Extension Mtg Provisions (M577A3 & M1068A3 Only). 5/16-24UNJF-3B MS51830-203L 5340-00-793-0760 .406 (13/32) .188 (3/16) Hull Bolted Subassy (M901A3 & M981A3 Only). 1/2-20UNJF-3B MS51830-206L 5340-00-403-6393 .656 (21/32) .188 (3/16) Hull Bolted Subassy (M901A3 & M981A3 Only). 1/2-20UNF-3B 7771298-1 (19207) 5340-00-115-9420 .656 (21/32) .188 (3/16) Seats & Platform Installation (M95773, M1064A3, M1068A3).  Covered Extension Mtg Provisions (M577A3 & M1068A3 Only).  Hull Bolted Subassy. 5/8-18UNF-3B 7771298-2 (19207) 5340-00-016-0025 .781 (25/32) .188 (3/16) Suspension Installation.  Hull Bolted Subassy 3/4-16UNF-3B 7771298-3 (19207) 5340-00-111-7360 .969 (31/32) .313 (5/16) Suspension Installation.  Hull Bolted Subassy. END OF TASK 0042 00-3/4 blank