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 6150-01-233-5723
NSN 6645-01-567-2968
NSN 6645-00-854-7505
NSN 6240-00-292-3237
NSN 6620-01-580-9746
NSN 5999-01-152-4200
NSN 6650-01-063-7714
NSN 5835-00-681-0005
NSN 2925-01-519-3221
NSN 5990-01-643-4167
NSN 6650-01-207-0829
NSN 4140-00-143-9084