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 5930-00-374-8879
NSN 2925-00-698-4882
NSN 5920-01-540-0668
NSN 5950-01-519-8947
NSN 5975-01-166-2182
NSN 6610-01-096-4601
NSN 6105-01-390-5038
NSN 6240-01-441-2765
NSN 6130-01-232-7573
NSN 5996-00-205-0211
NSN 6130-01-449-2715
NSN 6220-01-224-6415