Kirby Morgan 525 767 Balanced 455 Regulator Rebuild Kit Wire Wheel Black 1 510 575 Nose Block Underwater Breaker Black 1 510 575 Nose Block Pad 1 510 747 Oral Nasal Mask 1 515 033 Communications Set 1 525 309 Regulator Rebuild Kit 1 525 311 Side Block Rebuild Kit 1 525 759 Quad Valve Exhaust Kit 1 530 025 Screw 1 530 035 Screw 2 530 045 Whisker Screw 1 530 317 Nut 1 530 320 Lock Nut 1 530 406 Washer 1 530 415 Washer 1 535 900 Safety Pin (Pull Pin) 1 540 080 Plunger Pin (Push Pin) 1 550 061 Whisker Spacer 1 Kirby Morgan 525 313 Stainless Steel Side Block Rebuild Kit PART # DESCRIPTION QTY Balanced 2 210 060 Valve Seat 1 220 056 Lever Bearing Clip 1 235 015 Spring 1 240 008 Lever Arm 1 310 003 O ring 2 510 010 O ring 1 510 012 O ring 1 510 015** O ring** 2** 510 017 O ring 2 510 019 O ring 1 510 776 Exhaust Valve 1 510 789 Diaphragm Assembly 1 540 531 Lock Clip 1 550 640 Shaft Bearing Washer 1