Adhesive for bonding of cylindrical filling for gap filling up to 0. 25mm for retaining bearings with shafts Loctite- 638 or equivalent for 3- phase locos conforming to C L W SPECIFICATION No. CLW/ MS/ 10/ 013 ALT- 3 in pack of 250 ML. Note; Tenderer may quote equivalent material stating the full technical parameters and product certification by national/ International standard organization and approval for application by Govt/ PS Us. only when equivalent material is matching to equivalent Loctite product, this shall be consider for approval.