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 6620-01-342-5953
NSN 6320-00-098-2858
NSN 5999-01-245-5329
NSN 5910-01-018-1704
NSN 6105-00-458-2987
NSN 5965-00-529-0602
NSN 6105-01-416-6311
NSN 5990-01-426-2037
NSN 6150-00-880-3230
NSN 6130-01-250-5144
NSN 6105-01-419-3386
NSN 4140-01-429-4795