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 5905-00-280-2747
NSN 6130-00-051-4552
NSN 5920-01-611-1962
NSN 5835-00-752-6065
NSN 6610-01-495-0596
NSN 5996-00-012-8639
NSN 6145-01-323-6509
NSN 5965-01-633-8849
NSN 5925-01-528-4970
NSN 5915-01-549-7984
NSN 6110-01-266-4514
NSN 5985-01-020-2582