supply of bolt.. hex head , bolt.. hex head 7/16-14 x 2-1/2 - air duct to turbocharger mounting to emd pt no. 454934. [ warranty period: 30 months after the date of delivery ] ] , bolt hex head 3/8-24x1-3/4 , grade: 8 medium carbon alloy steel quenched and tempere d to emd pt no. 186485 & dlw pt no. 19012214. [ warranty period: 30 months after the date of deliver y ] ] , stud 1/2-13 x 1/2-20 x 2-9/l6 inches long to emd part no :9574852 and dlw part no. 191 10108 for hhp locos. [ warranty period: 30 months after the date of delivery ] ] , ht bolt hex head,size: 1/2 x 13 x 5 as per emd part no 433163, tvs or similar [ warranty p eriod: 30 months after the date of delivery ] ] , ht bolt hex head, size: 1 x 14 x 3-1/2 to emd part no. 273046, make/brand: tvs or unbrak o tvs or similar. [ warranty period: 30 months after the date of delivery ] ]