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 5985-00-853-1553
NSN 6620-00-627-3688
NSN 5895-00-758-2722
NSN 5945-01-343-4902
NSN 6685-00-229-7350
NSN 5965-01-564-4066
NSN 5999-01-175-0032
NSN 6150-01-648-6038
NSN 6650-01-173-1952
NSN 5935-00-995-8039
NSN 5945-00-868-9541
NSN 6645-01-142-4574