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 5905-01-487-6905
NSN 5975-01-056-4727
NSN 6220-00-369-5422
NSN 6645-00-498-6869
NSN 6105-01-223-7307
NSN 5965-01-023-0809
NSN 5855-01-528-8776
NSN 5925-00-197-4329
NSN 6645-00-725-6864
NSN 6650-01-629-6469
NSN 5985-01-654-7054
NSN 5925-01-237-2501