supply of over hauling kit for levelling valve to kb part no. ii 68831 consisting of 15 items.s. no. description kb part. no. qty/ kit------------------------------------------------------1 sealing ring b74370/ 2 - 1 2 o - ring a27763/26 - 13 o - ring a75374 - 14 washer c68476 -15 grooved pin 476508 - 26 lock washer a34546 / 2 - 17 retaining ring 470884 -18 locking ring 467642 - 29 toothed ring a62331 / 6 -110 wire mesh filter a40108 -111 sealing ring 458381 -112 wire strainer a51762 -313 sealing washer a75279 - 114 valve head c71558 -215 compression c141622 - 1spring , over hauling kit for levelling valve to kb part no. ii 68831 consisting of 15 i tems.s. no. description kb part. no. qty/ kit ------------------------------------------------------ 1 sealing ring b7 70/ 2 - 1 2 o - ring a27763/26 - 1 3 o - ring a75374 - 1 4 washer c68476 -1 5 grooved pin 47650 8 - 2 6 lock washer a34546 / 2 - 1 7 retaining ring 470884 -1 8 locking ring 467642 - 2 9 toothe d ring a62331 / 6 -1 10 wire mesh filter a40108 -1 11 sealing ring 458381 -1 12 wire strainer a51762 -3 13 sealing washer a75279 - 1 14 valve head c71558 -2 15 compression c141622 - 1 spring [ warranty period: 30 months after the date of delivery ] ]