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 5998-01-044-9981
NSN 5945-00-105-0084
NSN 6610-00-437-5681
NSN 5935-01-455-9862
NSN 5999-00-456-0603
NSN 6650-00-070-5151
NSN 6620-01-553-7917
NSN 2925-01-358-7380
NSN 5925-01-475-8261
NSN 5895-01-417-9057
NSN 2925-00-234-7918
NSN 4140-01-362-9957