supply of dome cap / protection cap / magnetic dip rods / top spring / thermo meter well nut , thermo meter well nut for btpgln tank wagons as per rdso drg.no.wcs 7801-s/ 63 with latest alt. item no.9. [ warranty period: 30 months after the date of delivery ] ] , guide tube for magnetic level gauge for btpgln as per drg.no. ml-a2-003 item no. 10 [ w arranty period: 30 months after the date of delivery ] ] , top spring with top retainer washer/plate & bottom spring with bottom retainer washer/pla te and bottom plug of magnetic level gauge tube in assembled conditions per drg. no. ml-a2-003 (length 127 mm) & spring retainer washer. item no. 9, 8, 17. make: arieckal industries or similar. [ warranty pe riod: 30 months after the date of delivery ] ] , protection cap of eduction valve of btpgln wagon as per drg. no. w/tf-1345 k, alt.-1 [ war ranty period: 30 months after the date of delivery ] ] , magnetic level gauge float as per arieckal drg. no. ml-a2-003 with latest alt. [ warranty period: 30 months after the date of delivery ] ] , dome cap for btpgln tank wagons as per rdso drg.no.wcs 7801-s/63 with latest alt. item no.13 [ warranty period: 30 months after the date of delivery ] ] , magnetic dip rods for btpgln wagons as per drawing ml-a4-003-dr. [ warranty period: 3 0 months after the date of delivery ] ]