supply of stiffener plate of front carrier plate , .stiffener plate of front carrier plate for aar-h-type cbc with bdg as per drg. rdso/cg/drg /24034, alt. 2 (annexure-1) or latest. material specification as per is: 3885 part ii gr-5 with hardness in an nealed condition 190- 245 bhn (with hardware item hexagonal head bolt m16x45 = 02 nos, hexagonal cas tle nut m16= 02 nos, split pin 4x40= 02 nos., spring washer b16=02 nos.). note : (i). firm has to provide n abl lab test certificate of the material at the time of supply. (ii) quantity 1 set consists of 1 stiffener plate, hexagonal head bolt m16x45 = 02 nos., hexagonal castle nut m16= 02 nos., split pin 4x40= 02 nos. ,sprin g washer b16=02 nos. (iii) as per rdso letter number mc/blb/cbc dated 01/11/25, annexure-1. 70 percen t of the total quantity i.e 554 set. shall be compatible with make sanrok, sona comstaer or webtech a nd 30 percent of the total quantity i.e 238 sets shall be compatible with make frontier, jupiter or nwfp. make- cew by rubber stamp [ warranty period: 84 months after the date of delivery ] ]