International customers: Extremely extended delivery times for USPS.  

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Boss Orings

**International customers: Please note that due to circumstances surrounding COVID-19, USPS International delivery times have become significantly longer.  Deliveries can take up to eight weeks.  Additionally, USPS International tracking information is not regularly updated.  For your convenience, UPS has been added as an alternate, more timely shipping option.  Rates will vary.**

 

Hydraulic SAE Straight Thread Boss o-rings are used at the base of straight threads typically used on plugs or adapters for ports. 

Orders over $15 SHIP FREE in the USA