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 6650-00-614-1711
NSN 6650-01-627-7681
NSN 6145-00-062-7897
NSN 6620-01-018-7469
NSN 4140-01-332-6904
NSN 6645-01-381-0656
NSN 6320-00-731-6134
NSN 6620-01-464-3087
NSN 5999-01-351-6979
NSN 6130-00-817-7899
NSN 5930-01-356-8638
NSN 5895-00-232-9286