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 5950-00-809-8081
NSN 5960-00-269-4762
NSN 5960-01-426-4242
NSN 5915-01-269-3874
NSN 5975-01-433-5593
NSN 5990-01-449-7090
NSN 6220-01-029-8605
NSN 5975-01-533-6276
NSN 5975-01-356-4544
NSN 5990-01-525-2250
NSN 5855-01-020-7982
NSN 5998-01-388-2956