MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Size 2-1/2 in Valve kit consisting of 2 - no 2, gasket cover plate 1 - no 3, spring main valve 1 - no 7, spring check valve 2 - no 9, disc main and check valve 2 - no 12, disc upper and lower relief valve 1 - no 14, spring relief valve 1 - no 18, diaphragm /set/ 1 no 20, gasket clamp bolt 1 - no 23, gasket relief valve housing
