Tenders for Supply of Set Of O Ring Suitable For Transformer Oil Cooling Pipe For Wap-7 Loco, 1. Size Od 104 Mm, Id 92 Mm, Wire Dia. 6 Mm, 2. Size Od 110 Mm, Id 98Mm, Wire Dia. 6 Mm As Per Clw Spec. No. Clw/Es/3/0142 Alt-D Or Latest . One Set Consist Of 1- 07 Nos., 2 - 09 Nos. Material Fluor Silicon, Rubber Mfq, Hardness 60 Plus Minus 5 Shore A, Colour Blue. Manufacturing Date Should Not Be More Than 60 Days Old From The Supply. Material Is To Be Procured From Clw Approved Sources Of Set Of Gasket For Wap-7 Loco Only.