supply of ring gasket for 3/8 / 1/2 strainer consisting of 3 items. , set of gaskets for 3/8 / 1/2 air strainer consisting of 3 items as per details given : 1.gasket o/d-12.5,i/d 6.5, thick 1.8mm -drawing no.ref. no.4 of clw drg.no.0/2/65/440 with latest alteration qty/set:01 2. gasket o/d-32, i/ d 24, thick 1.8mm -drawing no..ref. no.6 of clw drg.no.0/2/65/440 with latest alteration-qty/set:01. 3. gasket o/d-46 .25, i/d 40.6, thick 3 + 0.05 or - 0.00mm drawing no. ref. no.7 of clw drg.no.0/2/65/440 with latest alteration -qty/set :01. material is to be procured through clw approved sources only. [ warranty period: 30 months after the date of de livery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]