supply of set of spares for tap changer.set of spares for tap changer.,set of spares for tap changer.set consists of 05 items as follows: 1) hex bolt m10x100 e quivalent to river part no.a4126 ;qty:50 nos. 2) hex bolt m6x40/17 equivalent to river part no.a4101 ;qty:100 nos. 3) external circlip a10 equivalent to river part no.a4514; qty: 500 nos.4) stud equivale nt to river part no.a6436; qty: 20 nos. 5) self aligning ball bearings 17/40x12 equivalent too river par t no.a5503;qty: 06 nos.note:the above material is a child part of tap changer. [ warranty period: 3 0 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]