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 6620-00-167-3825
NSN 5990-00-470-2535
NSN 6105-01-427-8439
NSN 6685-01-449-0933
NSN 4140-01-046-4932
NSN 6220-01-610-4662
NSN 6145-01-020-7182
NSN 5965-01-023-0245
NSN 5910-01-325-0778
NSN 6135-00-982-1882
NSN 5950-01-430-2203
NSN 6220-01-400-4203