The QA1 valve disc kit includes eight replacement discs intended for valve service and rebuilds. The listing shows .902 in OD x .006 in thick with metric dimensions of 8 mm ID x 23 mm OD and .152 mm thickness. QA1 offers replacement and service components plus technical support, supplying these matched disc sizes for maintenance tasks where exact dimensions are important during reassembly.
QA1 Valve Disc Kit - .902in OD x .006in Thick - 8 Pack