LANTAC AK47 14mm Crush Washer Black. NOTE: Crush washers are only intended to be used (1) time. Using a crush washer multiple times will decrease the effectiveness of the washer. made in specialized factories. Specifications for LANTAC AK47 14mm Crush Washer: Manufacturer: LANTAC Gun Model: AK-47 Color: Black Features of LANTAC AK47 14mm Crush Washer This crush washer is designed for AK47 flash hider or compensator installation on barrels with a 14 mm thread. NOTE: Crush washers are only intended to be used (1) time. Using a crush washer multiple times will decrease the effectiveness of the washer. Package Contents: LANTAC AK47 14mm Crush Washer What firearm models does the manufacturer say LANTAC AK47 14mm Crush Washer is compatible with? The manufacturer says that LANTAC AK47 14mm Crush Washer is compatible with AK-47LANTAC 01-PP-141-CRW: AK47 14mm Crush Washer Black