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 4140-01-544-3957
NSN 5910-01-273-4116
NSN 5910-01-081-5450
NSN 6130-00-960-0275
NSN 6650-01-150-2595
NSN 6620-00-469-2502
NSN 5999-01-347-6765
NSN 5945-01-020-7897
NSN 6105-01-634-0322
NSN 6650-01-505-6947
NSN 5985-01-456-6779
NSN 5998-00-529-8635