supply of core cap & cap for knife edge , core cap for qn1, qna1, qbca1, qbat & qspa1 relays to drg.no. cwm 00803 alt-1. [ warr anty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , core cap for qta2, qna1k & qecx relays to drg.no. cwm 00814 alt-1. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , cap for knife edge of special type heel piece to drg.no. cwm 01626. [ warranty period: 3 0 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]