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NOK | BRT2-50X60X3 | Back-up Ring
Original price was: $7.62.$5.19Current price is: $5.19.
39 in stock
Back-up rings allow for ease in manufacturing to assemble without the fear of damaging rods or bores during the installation process do to overly tight E-gaps. Cylinders and valve bodies often use O-Rings as static seals.








