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 6150-01-442-0911
NSN 6685-00-942-8888
NSN 6130-01-541-4979
NSN 6105-01-515-1231
NSN 5895-01-561-1913
NSN 5910-01-364-1947
NSN 6610-01-481-6885
NSN 5996-01-431-3578
NSN 6135-00-369-2368
NSN 6135-01-594-9930
NSN 5855-01-136-9532
NSN 4140-01-571-6061