supply of heavy duty air cylinder , heavy duty air cylinder, 2a series, style bb cap fixed clevis mounting, to size 6 dia bore x 8 stroke x 1-3/8 piston rod dia, style 9 rod end female thread 1-14tpi, cushion both ends to parker model no.6cbb2au19ac8 or exactly similar. note: 1. piston seal, gland seal and gland cartridge shall be of m/s parker make only. 2. documentary evidence shall b e furnished along with the supply for having procured seals & gland from m/s parker or th eir authorised dealers. 3. firm should furnish inspection test certificate along with the su pply. 4. firm should furnish warranty certificate for their product. [ warranty period: 30 mo nths after the date of delivery ] ]