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 6220-01-535-2260
NSN 6220-00-349-2594
NSN 6105-01-233-4466
NSN 5910-00-006-3765
NSN 5915-01-387-8111
NSN 6650-00-161-4122
NSN 6150-01-168-7926
NSN 6610-00-087-8096
NSN 5905-00-642-8130
NSN 5910-00-170-5223
NSN 5935-00-518-3491
NSN 6145-01-483-1292