supply of set of flat washers for brake rigging , set of flat washers for brake rigging consists of 06 items 12 nos. 1.) id 30mm x od 55mm x thickness 2mm qty- 02 nos./set, 2) id 30mm x od 55mm x thickness 4mm qty-02 nos./set, 3) id 33mm x od 60mm x thickness 2mm qty- 02 no s./set, 4) id 33mm x od 60mm x thick 4mm qty-2 nos./set, 5) id 28mm x od 50mm x thick 2mm qty - 02 nos./set, 6) id 28mm x o d 50mm x thick 4mm qty- 2 nos./set. material to be supplied as per is-2062 grade-c. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]