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 6220-00-318-1742
NSN 6240-01-353-7708
NSN 5999-01-246-0559
NSN 4140-01-543-7262
NSN 6105-00-418-3654
NSN 5996-01-347-0566
NSN 5965-01-089-8579
NSN 6240-00-476-6916
NSN 6220-01-528-0222
NSN 5960-00-131-6744
NSN 5935-00-260-6051
NSN 6650-01-049-5361