supply of set of door latch assembly for sb.set of door latch assembly for sb.,set of door latch assembly for sb 1, 2 & hb 1, 2 doors of 3-phase locos as per els/lgd drg. no. c/els/lgd/b.f/3/42, ref nos. 01 to 07 or latest. set consisting of 07 items as follows. (1) ref no. 01 bas e plate as per is: 6603, material: stainless steel, qty/set -01 no. (2) ref no. 02 lock plate as per is: 6603, m aterial :stainless steel, qty/set-01 no. (3) ref no. 03 support plate as per is: 6603, material: stainless steel. qty/set - 01 no. (4) ref no. 04 fixing screw as per is: 1364/1367, material: steel, qty/set- 04 nos. (5) ref no . 05 flat washer as per is: 2016, material: steel, qty/set- 04 nos. (6) ref no. 06 spring washer as per is: 30 63, material: steel, qty/set- 04 nos. (7) ref no. 07 hex nut as per is: 1364/1367, material: steel, qty/set- 0 4 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]