... , hnbr, cr, nr Type: 102PCS, 225PCS, 382PCS, 386PCS, 404 O-ring MaterialsNITRILE or BUNA N (NBR) MEDIUM NITRILETEMP RANGE -40°C ... is important to remember that all Nitriles are non-resistant to castor based and non-mineral brake fluids and should never be ... resistance to elevated temperature and to many functional fluids. O RING KIT FOR AUTO PARTS