Set of rubber items for Air flow indicating valve. Each set consists of 7 items as per M/ s. S. D. Technical Services pamphlet No. SDA 614/ 4 are as follows: S. No. 1 ) Gasket Ref No. 2 Part No. B 81950/ 001 Qty/ set: 1 No. ( 2 ) Diaphragm Ref No. 6 Part No. B 81951/ 001 Qty/ set: 1 No. ( 3 ) ' O ' Ring Ref No. 17 Part No. D 76151/ 031 Qty/ set: 1 N0. ( 4 ) ' O ' Ring Ref No. 19 Part No. D 76151/ 014 Qty/ set: 1 N0. ( 5 ) Washer fibre Ref No. 28 Part No. A 70115/ 19 Qty/ set: 1 N0. ( 6 ) Bonded seal Ref No. 30 Part no:--- Qty/ set: 4 Nos. ( 7 ) Check valve disc Ref No. 22 Part No. J 70689/ 68 Qty/ set: 1 N0. as per Drg. No. ( NOTE: Supply should be each set in separate pack