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 6145-01-570-9640
NSN 4140-00-027-5150
NSN 5935-01-207-1782
NSN 6645-00-348-2841
NSN 6130-00-331-1652
NSN 6220-00-689-8114
NSN 6645-01-577-7932
NSN 5910-00-189-7516
NSN 5895-00-274-6255
NSN 5965-00-937-1851
NSN 6145-00-480-6194
NSN 6650-01-645-2089