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 for brake piping arrangement of lhb bogies consisting 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.3 nos 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 adapter 1 / 2 inch bsp ( m ) x 1 / 2 inch bsp ( f ) to drg. no. icf / std-3-5-116 item-1, alt .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 / std-3-5-132 item-1, alt .nil, qty-1nos 6. bulk head swivel 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 head male connector ( with conical seating ) 3 / 4 inch od x m26 x 1.5 ( 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 mmastm a269 gr. tp 304 to icf / md / spec-166 issue status-01, rev-04, qty-1no.