supply of mechanical itemsmechanical items,spring for cover for wheel set earthing housing (for lhb type coaches) to rcf drg. no. lw 71250 alt - aor latest .note: item s hall be procured from rcf approved sources only. [ warranty period: 30 months after the date of delivery ] ] , brush holder housing for wheel set earthing equipment to rcf drg.no.lw71238 alt-nill. note: item shall be procured from rcf approved sourc es only. [ warranty period: 30 months after the date of delivery ] ] , set of fastners for cover of earthing device where one set consists of two items:1) hexagon socket head cap screw m8 x 20, electro galvanis ed, as per is:2269-95 table-1 qty 01 nos2) spring washer m8, square section, electro galvanised, as per is: 3063-92 type b qty 01 nos (ref rcf drawing n o. lw71232 alt e item no 8,9 respectively [ warranty period: 30 months after the date of delivery ] ] , stainless steel stud m8x55mm (mat. aisi 304) with both end threaded length of 25 mm & 20 mm. as per the edts 101 rev. c, am. 1& 2 cor.l to cor.8 & modification- sked 945 or any latest alt if publish. 01 sample to be approved before supply.note: item shall be procured from rcf approved sour ces only. [ warranty period: 30 months after the date of delivery ] ] , stainless steel stud m8x50mm (mat. aisi 304) with both end threaded length of 25 mm &15 mm. as per the edts 101 rev. c, am. 1& 2 cor.l to cor.8 & modification- sked 945 or or any latest alt if publish.01 sample to be approved before supply. note: item shall be procured from rcf approved s ources only. [ warranty period: 30 months after the date of delivery ] ] , blanking plug for wheel set earthing equipment to rcf drg. no. lw 71236, alt a or latest, as per rcf specification no. edts 101, rev. c (late st).note: item shall be procured from rcf approved sources only. [ warranty period: 30 months after the date of delivery ] ] , slip assembly with securing ring to rcf drg. no. lw-71241-alt- a, item no. 2 and 4.note: item shall be procured fro