supply of components of hand brake arrangement for boxnhl conventional type wagon as per rdso assembly drg. no. wd-05086-s-19, alt. -8.components of hand brake arrangement for boxnhl conventional type wagon as per rdso assembly drg. no. wd-05086-s-19, alt. -8.,hand brake screw with nut to rdsos drg no. wd- 05086-s-19, item no-8 & 9, alt no-8. [ w arranty period: 30 months after the date of delivery ] ] , gear box hanger bracket to rdsos drg. no. wd-05086-s-19,item no.-15, alt.-8. [ warranty period: 30 months after the date of delivery ] ] , hand brake bracket with stiffener plate for boxnhl wagon to rdso drg. no. wd-05086-s-19, alt.-8, item-16. mat & spec. as per drg. [ warranty period: 30 months after the date of delivery ] ]