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 6650-01-651-6221
NSN 5960-01-109-0768
NSN 6685-00-198-9506
NSN 6105-00-631-5296
NSN 6220-00-817-4281
NSN 6135-01-226-4071
NSN 6105-01-381-0411
NSN 5999-00-222-1150
NSN 6645-01-513-9175
NSN 6130-00-779-5721
NSN 2925-00-336-8364
NSN 6105-00-104-5306