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 6645-01-232-4843
NSN 5905-01-518-1440
NSN 5960-00-199-6034
NSN 6650-00-840-9758
NSN 6110-00-236-4161
NSN 6220-01-448-4110
NSN 6240-01-449-0746
NSN 6610-01-511-0982
NSN 6220-01-170-4650
NSN 5920-01-337-2343
NSN 5910-01-240-6820
NSN 6220-01-571-4707