supply of one set of ss tubes and double ferruleone set of ss tubes and double ferrule,one set of ss tubes and double ferrule fitting for air spring pneumatic control equipment of lhb bogies consisting of 1) male connector 1 inch od x 3/4 inch bspt(m) to drg. no. icf / std - 3 - 5 - 016,item no.4, alt,d qty.4 nos. 2) hex nipple 3/4 inch bspt(m) to drg. no. icf/std-3-5-025 item no.3, alt .h qty. 2 nos. 3) hex nipple 20 ni to iso-4144-2003 tab-12 qty.2 nos. 4) male connector 3/4 inch od x 3/4 inch bspt (m) to drg. no. icf/std-3-5-016, item no.17 alt.d qty.2 nos. 5) male elbow connector 1inch od x 3/4 inch bspt(m) to drg. no. icf/std-3-5-023, item no-3 alt h qty. 2 nos. 6) reducing union tee 1inch od x 1inch od x 3/4 inch to drg. no. icf/std-3-5-019, item no.4, alt.d qty.2 nos. 7) female branch tee connector 1inch od x 3/4 inch bsp(f) to drg. no. icf/std-3-5-130,item no.6, alt ,b qty.2 nos. 8) bulk head swivel union 1inch od x to drg no. icf/std-3-5-138, item no.1,alt nil qty. 2 nos. 9) ss seamless pipe 1inch od x 3500 mm astm, a269 gr.tp 304 to spec. icf/md/spec.166, issue status-01, rev.04, qty.1no. 10) ss seamless pipe 3/4 inch od x 700 mm astm,269 gr.tp 304 to spec. icf/md/spec.166, issue status -01 rev-04,qty.1 no.