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 5998-01-285-3405
NSN 6135-00-080-9176
NSN 6220-01-388-8049
NSN 6150-01-088-7336
NSN 5945-01-447-3456
NSN 5999-01-341-1636
NSN 6645-01-440-8624
NSN 6610-01-382-1936
NSN 5905-01-115-3733
NSN 6650-00-488-8898
NSN 6620-01-485-6459
NSN 5950-01-568-2118