supply of ss tubes and double ferruless tubes and double ferrule,one set of ss tubes and double ferrule for brake piping arrangement of lhb bogies consistin g of 1.bulk head elbow (with conical seating) 3/4 inch od x m26 x 1.5(m) to drg. no. icf/std-3-5-113 item- 1, alt .c , qty.3nos 2. bulk head elbow 3/4 inch od to drg. no. icf/std-3-5-117 item-1, alt. bqty-1nos 3. male elbow (with conical seating) 1/2 inch bspt(m) x m26 x 1.5(m) to drg. no. icf/std-3-5-115 item-1, alt .nil, qty-4nos 4. speacial adapter1/2 inch bsp(m) x 1/2 inch bsp(f) to drg. no. icf/std-3-5-116 item-1, al t .b qty- 4 nos 5. male branch tee union(with conical seating) 3/4 inch od x m26 x 1.5(m) to drg. no. icf/st d-3-5-132 item-1, alt .nil,qty-1nos 6. bulk headswivel union 3/4 inch od to drg. no. icf/std-3-5-133 item- 1, alt ,nil. qty-2 nos7.union tee 3/4 inch od to drg. no.icf/std-3-5-018 item-2, alt ,a.qty-1no. 8. bulk he ad male connector (with conical seating) 3/4 inch od x m26 x1.5(m) to drg. no. lwscwac-3-5-005 item-1, alt ,nil.qty-2 nos 9.ss seamless pipe 3/4 inch od x 6000 mmastma269 gr. tp 304 to icf/md/spec-166 iss ue status-01, rev-04, qty-1no. [ warranty period: 30 months after the date of delivery ] ]