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 5905-01-084-8267
NSN 6145-00-813-3913
NSN 6220-00-460-4770
NSN 6685-00-100-4753
NSN 6645-01-503-2240
NSN 4140-01-047-4093
NSN 5895-01-444-3921
NSN 4140-00-508-0875
NSN 5996-01-652-9693
NSN 6610-00-684-7683
NSN 6105-00-807-0713
NSN 6320-01-379-1182