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 6685-01-288-3330
NSN 4140-01-047-4093
NSN 5915-00-453-1858
NSN 6135-01-587-5002
NSN 6130-00-949-1563
NSN 5935-00-719-6053
NSN 6220-00-759-0094
NSN 6145-01-267-0750
NSN 6145-00-239-1304
NSN 5965-01-209-2838
NSN 5920-01-459-8493
NSN 5855-00-494-9581