Kirby Morgan Stainless Steel Side Block Rebuild Kit for KM 37SS, KM 77, KM 97

Kirby Morgan Stainless Steel Side Block Rebuild Kit. Compatible with these Diving Helmets:  KM 37SS KM 77 KM 97 Parts included in this kit: Part # Description Qty. 310-003 O-ring 1 510-008 O-ring 1 510-010 O-ring 2 510-011 O-ring 1 510-012 O-ring 1 510-013 O-ring 1 510-014 O-ring 2 510-015 O-ring 1 520-030 Washer 1 520-031 Washer 1 520-033 Teflon® O-ring 2 520-522 Washer 1 520-523 Washer 1 520-524 Flex Knob, Steady Flow 1 520-525 Flex Knob, Emergency Valve 1 525-330 One-way Valve Kit 1 535-802 Spring 2 550-023 Seat Assembly 1 550-553 Seat Assembly 1