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 5965-01-537-7731
NSN 6135-01-045-1504
NSN 5999-01-340-6444
NSN 6130-01-591-7947
NSN 5960-00-300-2358
NSN 5998-00-920-9734
NSN 5990-00-267-9956
NSN 6105-01-427-2336
NSN 5996-01-227-4496
NSN 5835-00-928-5717
NSN 5985-01-649-8844
NSN 6220-01-495-3301