279pcs O-Ring Assortment 279pcs O-Ring Assortment1. Materials: NBR,also can be NR, HNBR, MVQ, ACM, ... , NSF, KTW, WRAS, LFGB, etc.8. Documents: can provide full set of documents, including PPAP, control plan and PFMEA. 9. Applications ... : 1~2 weeks.13. Small order quantity is welcomed. O-Ring Assortment