supply of two in one way bib cock ptmttwo in one way bib cock ptmt,pillar cock 1/2 for inside lavatory wash basin of ac coaches to icf drg no.wgscwac8-6-3-801, item no.57, alt. k of make jaq uar model no. orm 10001 (or) similar / hindware model no.f130001 (or) similar / paryyware model no.t0402a1 (or) similar. sample to be get approved by the consignee before bulk supply. [ warranty period: 30 months after the date of delivery ] ] , two in one way bib cock ptmt with 15 mm 2 way bib cock r.h make catalogue 1291 of m/s prayag or equivalent model of m/s marc or m/s hin dware or m/s ess ess or similar. sample to be get approved by the consignee before bulk supply. [ warranty period: 30 months after the date of delivery ] ] , g.i. check nut - 20 mm to suit 15 mm pipe nb. [ warranty period: 30 months after the date of delivery ] ] , gi nipple 1/2 inch x 6 inch long with one side thread length 2 inch and other side 1 inch. accepted isi marked. [ warranty period: 30 mont hs after the date of delivery ] ] , gi nipple 6 inches length x 1/2 inch nb with 1 inch threaded at both ends. accepted isi marked gi nipple. [ warranty period: 30 months a fter the date of delivery ] ] , gi pipe nipple size 1/2x2 both side thread is 1879/87. [ warranty period: 30 months after the date of delivery ] ] , gi pipe nipple size 1/2 x 4 both side thread is 1879/87. [ warranty period: 30 months after the date of delivery ] ] , hex nipples n - 8 15 mm half inch as per table no .7.2 of is : 1879 /1987 with amdt . no. 1 to 5 [ warranty period: 30 months after the date of delivery ] ] , hex nipples n- 8 25 mm (1)as per table no. 7.2, isi marked to is:1879/2010 edition 3.8, duly galvanized with 610g/m2 as per is:47 59/1996 (reaffirmed 2006) edition 4.1. for sizes designation, refer to cl 3.2 of is:1879/2010 in inch unit. corresponding approximating siz es in mm as per appendix a of is 1879/2010 as per specn. is : 1879 / 198 [ warranty period: 30 months after the date of delivery ] ] , hex nipples n