supply of set of items for axle box brush holderset of items for axle box brush holder,set of items for axle box brush holder primary return current as per clw/es/3/0017 alt-d , sheet no. 08 set consists of 3 items in 92 nos. (1) spring clip( pressure device) for axle box carbon brush ref. item no. 02 qty- 12 nos (2) insulating bush small for earth return brush holder assly ref item no. 03 qty- 40 nos (3) insulating bush large for earth retu rn brush holder assly ref item no. 04 qty- 40 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited