Tender For supply of buffer spindle (b.g.) with hex nut m39 x 3 to rdso drg. no. sketch-98145, alt. - 12, item no. 7 and item no. 17. material and specification for item no. 7 as per irs drg. no. w/bd-353, alt. - 8 with c. rly alteration a. material and specification for item no. 17 as per drawing no. sketch-98145, alt. - 12 .spec: