supply of pneumatic cylinder , pneumatic cylinder bore 3-1/4, stroke 5, rod dia 1, cushioned at both ends, he ad trunnion mounting style, air ports 1/2 nptf, rod end female threads 3/4-16 tpi with rem ovable stud to m/s parker model no 3-1/4?cd2aluv19ac5? or exactly equivalent. note: (1) pis ton rod and gland seals shall be of m/s parkar make only. (2) documentary evidence shall b e furnished along with the supply for having procured seals and gland from m/s parker or their authorised dealers. (3) firm should furnish inspection / test certificate along with th e supply. (4) firm should furnish warranty / guarantee certificate for their product for a p eriod of 18 months from the date of delivery or 12 months from date of fitment whichever is earlier. [ warranty period: 18 months after the date of delivery ] ]