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 5920-01-267-9036
NSN 6220-00-229-7726
NSN 5965-01-442-7364
NSN 5920-00-928-6721
NSN 5895-01-547-7697
NSN 6145-01-576-7848
NSN 6610-01-340-1761
NSN 5910-01-322-0827
NSN 5945-00-108-9730
NSN 5920-01-338-3489
NSN 5925-01-469-6068
NSN 5990-01-443-2931