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 5998-00-323-8334
NSN 5930-01-127-6681
NSN 6220-01-429-6257
NSN 5998-01-652-0717
NSN 5930-01-461-9864
NSN 5965-01-173-9106
NSN 5930-01-376-0518
NSN 6645-01-431-0732
NSN 6685-01-117-6433
NSN 5960-00-157-4062
NSN 6110-00-300-1876
NSN 5915-01-116-7505