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 6685-01-396-8931
NSN 5990-01-483-7313
NSN 6130-01-350-2940
NSN 5965-00-500-5826
NSN 5960-00-914-7925
NSN 6135-00-100-8890
NSN 6220-01-006-4966
NSN 5990-01-230-2323
NSN 5920-01-154-1039
NSN 5930-01-466-4832
NSN 5910-00-132-4398
NSN 5915-00-779-8307