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 5915-00-532-7023
NSN 6145-01-209-3830
NSN 7035-01-572-4324
NSN 5920-01-042-1798
NSN 5930-01-210-9176
NSN 6240-00-899-1049
NSN 5998-00-041-7644
NSN 5998-00-752-8883
NSN 5990-00-357-8103
NSN 5920-01-628-5095
NSN 5945-00-815-7115
NSN 5965-01-241-0553