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 4140-00-350-0181
NSN 5945-00-598-6130
NSN 6105-01-425-4220
NSN 5945-01-292-1844
NSN 6220-01-546-0196
NSN 5835-00-145-8926
NSN 5950-00-236-5108
NSN 6110-00-887-1923
NSN 5920-00-308-5681
NSN 5925-01-570-8630
NSN 5945-01-081-2539
NSN 5950-01-388-0025