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 6685-01-274-9310
NSN 6645-01-552-9447
NSN 5965-00-322-9933
NSN 6650-01-131-8626
NSN 5895-01-450-1835
NSN 6145-00-074-4486
NSN 5960-00-548-7612
NSN 6620-01-436-2715
NSN 5996-01-518-4674
NSN 5905-01-647-2776
NSN 5950-01-417-0945
NSN 6110-00-805-8865