A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5999-01-137-9822
NSN 5915-01-020-9153
NSN 6645-00-583-0066
NSN 5920-01-031-7360
NSN 5935-00-181-0418
NSN 6135-01-027-7543
NSN 5960-01-198-7965
NSN 6620-00-838-6954
NSN 5996-01-656-6263
NSN 5855-01-658-4510
NSN 5905-00-010-3012
NSN 5998-00-305-4087