supply of set of piston and cross head assembly , set of piston and cross head assembly for adhesion cylinder of x class locomotive as below; item no. (1) : piston & cross head rh assembl y for adhesion cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05001, and reference drawing slm index no.x/12/5a/m, x/12/6a/m & x/12/26a/ m; item no. (2) : piston & cross head lh assembly for adhesion cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05002, and reference drawing slm index no. x/12/5a/m, x/12/6a/m & x/12/26a/m; note: 1. item no (1) & (2) consists of one set. 2. for equivalent material specification refer goc/x/spec-x- 032. 3. for material specification in drg. no. goc/x/sk-12-05001, item no.1 (cross head rh finished), item no.2 (piston head part finished), item no.3 (piston rod) & in drg. no. goc/x/sk-12-05002, item no.1 (cross head lh finished), item no.2 (piston head part finished), item no.3 (piston rod), one integral test pie ce should be provided for each component, it should be parted in presence of railway authority for material testing before machining. 4 for material specification, each component other than mentioned in note no.3, nabl certificate should submit along with material supply [ warranty period: 30 months after the date of delivery ] ] , set of piston and cross-head assembly for rack cylinder of x class locomotive as below; item no. (1) piston & cross head rh assembly for r ack cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05003, and reference drawing slm index no. x/12/5a/m, x/12/6a/m & x/12/27a/m; item n o. (2) piston & cross head lh assembly for rack cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05004, and reference drawing slm index no. x/12/5a/m, x/12/6a/m & x/12/27a/m; note: 1. item no (1) & (2) consists of one set. 2. for equivalent material specification refer goc/x/spec-x-032. 3. for mat erial specification in drg. no. goc/x/sk-12-05003, item no.1 (cross head rh finished), item no.2 (piston head rack part finished), item no.3 (piston rod) & in drg. no. goc/x/sk-12-05004, item no.1 (cross head lh finished), item no.2 (piston head rack part finished), item no.3 (piston rod), one integral test piece s hould be provided for each component, it should be parted in presence of railway authority for material testing before machining. 4 for material specification, each component other than mentioned in note no.3, nabl certificate should submit along with material supply [ warranty period: 30 months after the date of delivery ] ] , set of piston and cross head assembly for adhesion cylinder of x class locomotive as below; item no. (1) : piston & cross head rh assembl y for adhesion cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05001, and reference drawing slm index no.x/12/5a/m, x/12/6a/m & x/12/26a/ m; item no. (2) : piston & cross head lh assembly for adhesion cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05002, and reference drawing slm index no. x/12/5a/m, x/12/6a/m & x/12/26a/m; note: 1. item no (1) & (2) consists of one set. 2. for equivalent material specification refer goc/x/spec-x- 032. 3. for material specification in drg. no. goc/x/sk-12-05001, item no.1 (cross head rh finished), item no.2 (piston head part finished), item no.3 (piston rod) & in drg. no. goc/x/sk-12-05002, item no.1 (cross head lh finished), item no.2 (piston head part finished), item no.3 (piston rod), one integral test pie ce should be provided for each component, it should be parted in presence of railway authority for material testing before machining. 4 for material specificat ion, each component other than mentioned in note no.3, nabl certificate should submit along with material supply [ warranty period: 30 months after the date of delivery ] ] , set of piston and cross-head assembly for rack cylinder of x class locomotive as below; item no. (1) piston & cross head rh assembly for r ack cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05003, and reference drawing slm index no. x/12/5a/m, x/12/6a/m & x/12/27a/m; item n o. (2) piston & cross head lh assembly for rack cylinder (in assembled condition), as per drg. no. goc/x/sk-12-05004, and reference drawing slm index no. x/12/5a/m, x/12/6a/m & x/12/27a/m; note: 1. item no (1) & (2) consists of one set. 2. for equivalent material specification refer goc/x/spec-x-032. 3. for mat erial specification in drg. no. goc/x/sk-12-05003, item no.1 (cross head rh finished), item no.2 (piston head rack part finished), item no.3 (piston rod) & in drg. no. goc/x/sk-12-05004, item no.1 (cross head lh finished), item no.2 (piston head rack part finished), item no.3 (piston rod), one integral test piece s hould be provided for each component, it should be parted in presence of railway authority for material testing before machining. 4 for material specification, each component other than mentioned in note no.3, nabl certificate should submit along with material supply [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 0 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]