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 6110-01-180-5097
NSN 6220-01-417-3330
NSN 5835-01-390-0880
NSN 6110-00-103-5702
NSN 5835-01-103-7517
NSN 5895-00-522-7935
NSN 6645-01-290-3930
NSN 5996-00-747-9770
NSN 5925-01-234-3813
NSN 5895-01-512-1931
NSN 5998-01-249-6624
NSN 6105-01-244-7778