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 2925-01-013-0413
NSN 6105-00-152-7958
NSN 6240-00-978-5020
NSN 4140-01-091-7269
NSN 5965-01-633-8849
NSN 7035-01-332-3496
NSN 6610-01-649-5326
NSN 5965-00-227-7348
NSN 4140-01-358-4945
NSN 6145-01-399-1158
NSN 5930-00-957-7484
NSN 6130-01-508-4150