supply of set of four items for tap changer, 1. spset of four items for tap changer, 1. sp,set of four items for tap changer, 1. split cotter pin a3.2*45 to repl part no. s1624 or split pin dia 3.2*45 to ae part no. g1624 - 300 nos/set, 2. belleville spring washer 8.4/18 to repl part no. s1460 or disc washer m8 to ae part no. g1460 - 200 no s/set, 3. union 1/2- 1/2 bspt to repl part no. s3971 or union 1/2 - 1/2 bsp to ae part no. g3971a - 50 nos/set, 4. copper gasket 9. 7/17*1 to repl part no s3972 or copper gasket 18/10*1 to ae part no g3972a - 400 nos/set. note: supply by sources as per clw item id: 2100713 in ireps vendor directory. [ warranty period: 30 months after the date of delivery ] ] => limited