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 6620-01-375-6741
NSN 5996-01-441-1594
NSN 6150-00-504-3056
NSN 5855-01-275-5470
NSN 6220-00-039-6348
NSN 5999-01-328-5885
NSN 7035-01-501-9118
NSN 6610-00-405-4689
NSN 6145-01-461-2750
NSN 5905-00-478-4387
NSN 6620-00-244-0965
NSN 6220-01-656-0483