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 6610-00-578-6790
NSN 6220-01-102-1954
NSN 5835-00-980-0468
NSN 5985-01-134-0461
NSN 5950-00-227-0240
NSN 5998-00-605-0791
NSN 5998-01-594-6597
NSN 5920-00-554-0437
NSN 6220-01-467-8321
NSN 6240-01-562-5500
NSN 6130-01-511-4099
NSN 5998-00-853-3289