supply of brake cylinder safety chain with 02 no.brake cylinder safety chain with 02 no.,brake cylinder safety chain with 02 no. clamps and 02 no. nut bolts for escorts mbs brake cylinder (11 dia.) thickness=8 mm, curved length of large bracket=264 mm, dia. of chain link=10 mm, fixed chain link to bracket welded=46 mm, curved length to small bra cket=180 mm, total length of free links of chain=480 mm, total nos. of free links of chain= 12, gap between hole centers=50mm, dia. of hole=16mm, fixed links (welded to brackets) at the both ends of chain. total length=100 mm, dia. of bolt=16mm, length of threaded porti on = 40 mm. the manufacturer shall supply a certificate of test and examination carried ou t by govt. owned lab or nabl accredited labs with every supply of chain. supply as per anne xure and purchase order attached. [ warranty period: 30 months after the date of delivery ] ]