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 5835-01-535-0948
NSN 6150-01-397-7797
NSN 5905-01-537-0402
NSN 6645-01-286-9115
NSN 5895-01-447-2748
NSN 5960-01-077-4553
NSN 5895-01-503-0431
NSN 5925-00-666-4753
NSN 6145-01-257-6169
NSN 5975-00-518-1733
NSN 6650-01-399-8552
NSN 6650-01-353-9299