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 5935-01-257-4711
NSN 5935-00-375-5117
NSN 5945-00-515-2667
NSN 5855-01-244-9785
NSN 6240-01-160-8499
NSN 5930-01-429-8443
NSN 6135-00-968-8594
NSN 5998-01-312-1684
NSN 4140-01-587-5770
NSN 5999-00-478-5035
NSN 6220-01-344-3502
NSN 5985-00-958-1411