Description

Stainless Steel 1/2″ NPT Grooved Lock Nut

The 1/2″ grooved lock nut along with a number 211 silicone o-ring or buna-n o-ring is what you need to prevent leaks and to properly seal holes punched in brew kettles and mash tuns when using 1/2″ NPT/NPS fittings. Apply teflon tape to a 1/2″ male threaded nipple before securing the lock nut. Made from 304 stainless steel.

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