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 5999-01-512-7688
NSN 5965-00-988-8770
NSN 5855-01-213-9076
NSN 6620-01-100-8899
NSN 6240-01-267-0345
NSN 5960-01-088-9090
NSN 4140-01-047-4093
NSN 5835-01-392-7683
NSN 5930-01-050-8267
NSN 6650-00-067-3572
NSN 5910-00-678-6595
NSN 5835-00-057-7235