supply of different items of bobyn wagon.different items of bobyn wagon.,three taper key for bobyn wagon as per rdsos sk-77536,alt - nil ,item no. 23,24 & 25 as listed below :- (i) 12x10x100 gib head rectangular taper key ,item no. - 23, is: 2293- 74 (reaffirmed-20 02),qty.- 24 nos. (ii) 12x10x85 , plain rectangular taper key ,item no. 24, is : 2292- 74 (reaffirmed -2002) qty.-04 nos. (iii) 10 x6x 50 , gib head rectangular taper key, item no. 25, is : 2293 -74 (reaffirmed-2002), qty.-04 nos. l.no. (1),(2), & (3)consisting 32 nos. = 1 set. [ warranty period: 30 months after the date of delivery ] ] , set of door operating complete for bobyn wagon consisting: 1) hand brake bevel wheel, qt y- 30 nos. 2) hand brake bevel wheel, qty- 30 nos. 3) worm, qty- 05 nos. 4) worm wheel, qty- 05 nos. 5) worm spindle, qty02 nos. 6) door operating shaft, qty- 02 nos. 7) door connecting shaft qty- 02 nos. 8) d oor operating spindle, qty- 02 nos. 9) gear box (rh), qty- 02 nos. 10) gear box (lh), qty- 02 nos. 11) spin dle guide, qty- 02 nos. 12) spindle bracket, qty- 02 nos. [ warranty period: 30 months after the date of delivery ] ] , set of 16 items of bobyn door operating mechanism as per rdso drawing sk-77536, sk-775 49,sk-77550, i.r.s. wa/dw-192, w/dw-195,196,197,198,199 & 201. material and specification as per drawi ng. one set consisting of 16 items as per annexure-i. [ warranty period: 30 months after the date of deliv ery ] ] , set of 14 items of bobyn door operating mechanism as per rdso drawing sk-77536, 77549, 77550, i.r.s. wa/dw-192,195,196,197,198,199 & 201 attached with nsr demand. [ warranty period: 30 months after the date of delivery ] ]