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 6240-00-456-6238
NSN 5990-01-126-9279
NSN 4140-01-272-8091
NSN 6685-01-039-6411
NSN 6240-00-471-5399
NSN 2925-00-964-7128
NSN 6240-01-289-9898
NSN 5965-00-543-1837
NSN 5998-01-082-8904
NSN 5915-00-870-0162
NSN 5999-00-813-1518
NSN 5835-01-193-6192