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 5920-01-492-6512
NSN 5998-01-657-7942
NSN 6645-01-606-2164
NSN 5945-01-652-5596
NSN 2925-01-185-9144
NSN 6645-01-064-3711
NSN 5998-01-188-7983
NSN 6145-00-431-8376
NSN 6650-01-154-1870
NSN 5855-01-435-5548
NSN 5935-01-485-3866
NSN 6220-01-473-2116