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 6150-00-291-1868
NSN 7035-00-018-0350
NSN 5905-01-541-4190
NSN 5975-01-348-3713
NSN 5915-01-461-2425
NSN 2925-01-374-2402
NSN 5915-00-518-1644
NSN 6130-00-023-8701
NSN 6110-00-577-8156
NSN 5985-01-634-0635
NSN 5835-00-233-6327
NSN 6105-01-422-8139