supply of kit for pressure regulator assembly to aal part no. sg300147r0001. 01 sethaving 04 items, 04 nos as given bellow- (1)pressure regulator with filter part no.hsba433890p0001= 1 no. (2) ring bs part no. sg300073p0002 =1no. (3) o ring part no.hsba432095p0026 =1no. (4) male stud coupling g 3/8 part no. 4301210200/01 = 1 no.