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crankcase thread

in the website technical section under threads ..crankcase breather to crankcase,it lists the thread size 5/8 x 20 NSC.NSC is the bit i dont understand.is NSC equal to a more common thread type?
could someone help me out please
cheers dave

email (option): wandins@bigpond.net.au

Re: crankcase thread

Hi Dave.It's just an abbreviation I use to denote 'Non Standard Cycle'...Many people assume cycle thread is (standard) 26tpi at all diameters yet the 20tpi version is used quite commonly....I think I've probably just created confusion by using (non standard:laughing: ) terminology....I may ask Henk to alter it to 20tpi Cycle Thread....Ian

email (option): ian@wright52.plus.com

Re: crankcase thread

yep. thanks for sorting that out for me so quickly Ian ...cheers :beers:

email (option): wandins@bigpond.net.au

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