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 5985-01-423-1491
NSN 6320-00-809-5744
NSN 5835-01-122-9657
NSN 5835-00-632-8621
NSN 5925-01-501-6074
NSN 6130-01-484-3522
NSN 6650-01-302-4451
NSN 5920-01-323-5351
NSN 5930-00-360-6533
NSN 6645-01-648-4439
NSN 5935-01-050-5034
NSN 6610-00-905-6780