AN6226 Series Buna-N (Nitrile,NBR) U-Cups
- Standard material is 70 durometer Nitrile.
- Conform to Army-Navy specification AN6226.
- Rated for pressures to 500 PSI low friction pneumatics or hydraulics.
- Part numbered as AN6226-20 (dash numbers are industry standard).
AN style U-Cups are designed in accordance with AN-6226. The original 53 sizes are listed with the dash numbers assigned by the standard.