supply of nylon bush for under frame brake gear , nylone bush size 52x42x16 mm to rdso drg. no. wd-88107-s-1 alt.-4, part drg. no. l / bu-526/m alt.- nil. mat. & spec. nylon wd- 04-nylon-2002 with latest rev. (uvam item ref. item id:- 2300201) [ warranty period: 30 months after the date of delivery ] ] , nylon bush for under frame brake gear size- 46 o.d. x 36 i.d. x 16 mm long to rdso drg. no. wd-88107-s -1, alt.no.4, item-9, & conforming t o str. no. wd-04-nylon bushes- 2002.(uvam item ref.item id:- 2300201) [ warranty period: 30 months after the date of delivery ] ] , under frame brake gear nylon bush size= o.d 41 x 30 i.d.x 16mm long to rdso drg. no. wd - 88107-s/1 alt.no.4, item - 8 and ma terial conforming to str.no.wd-04-nylon bushes-2002 read with latest amendments. specn: s-40 w/bu-2387. (uvam item ref.item id:- 2300201) [ warranty period: 30 months after the date of delivery ] ]