supply of tyre defect gauge for bg coaching stock and plug gauge (go & no go) for control arm and comb gauge thickness and parallelism checking tool and air spring height measuring gaugetyre defect gauge for bg coaching stock and plug gauge (go & no go) for control arm and comb gauge thickness and parallelism checking tool and air spring height measuring gauge,tyre defect gauge for bg coaching stock, as per railway board approved irca part 4, rule 2. 8.4 and plate 38. to check the various wheel defect like thin flange, sharp flange, deep flange, hollow tyre/ false flange, root radius and flat places on wheel. the gauge must be suitable for checking wheel latness 5 0 mm rejection limit and thin flange 22 mm rejection limit. made of hard alloy steel/ stainless steel having t hickness approximately 3 mm to 3.5 mm with permanent making of the type of rolling stock which can be checked. to be supplied with carrying case along with calibration certificate from government approved te st house. [ warranty period: 30 months after the date of delivery ] ] , plug gauge (go & no go) for control arm (dia190) to icf drg. no. j&t/g-1031/01, s upply with calibration certificate [ warranty period: 30 months after the date of delivery ] ] , comb gauge thickness -8 mm (measuring range-16 mm to 30 mm) for checking the flange th ickness of bg wagon wheels. material carbon tool steel & hardened to 40/45 hrc.enp nickel coated & suppl y with calibration certificate. [ warranty period: 30 months after the date of delivery ] ] , parallelism checking tool no. 12.841.0502 for control arm of lhb coaches as per fiat drawin g no. 2841050270 attached. firms should submit the tc & gc along with material. the item will be supplie d with calibration certificate from nabl approved lab [ warranty period: 30 months after the date of deli very ] ] , air spring height measuring gauge as per rdso sk no. asg 1/2019 for go & no go gauge, e ach qty. 01 no/set with calibration certificate from nabl approved la