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 5990-00-963-1799
NSN 5990-00-836-7962
NSN 5855-01-114-3513
NSN 6130-00-460-8705
NSN 6105-01-426-7906
NSN 6620-01-454-8926
NSN 6220-01-089-0886
NSN 6220-01-322-8450
NSN 4140-01-089-3219
NSN 5905-00-457-2433
NSN 5925-01-487-2292
NSN 5910-01-431-7059