supply of set of captive bolt assembly for tmb of 3 phase locomotive consist of following 4 item : 1) ca ptive bolt m12x80 as per drawing no. 1209-08-330-191 ref no. 02 2) round flat washer 32.2 mm od , 14.0 mm id, 2.5 mm thick drg no.182-00043 3) round flat washer 50.8 mm od , 14.0 mm id, 2.5 mm thick drg no.182-00043 4) round flat washer 44.2 mm od , 21.6 mm id, 3.0 mm thick drg no.182-00043 . qty- each 01 no./set. [ warranty period: 30 months after the date of delivery ] ]