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 5910-01-477-1608
NSN 6220-00-174-4749
NSN 5935-00-980-9356
NSN 5960-01-054-5228
NSN 6220-01-152-0411
NSN 5965-00-009-8679
NSN 6685-01-397-2837
NSN 5855-01-607-6521
NSN 6320-00-322-3460
NSN 5945-01-436-2861
NSN 5950-00-067-4754
NSN 2925-00-453-4100