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 5985-00-872-6792
NSN 5999-00-019-8856
NSN 6240-00-740-8901
NSN 6610-00-395-2574
NSN 5930-01-469-6143
NSN 5930-01-266-7391
NSN 6150-01-335-8108
NSN 6240-00-828-6228
NSN 6685-01-428-3943
NSN 5935-01-075-9094
NSN 4140-01-606-9953
NSN 5965-01-287-7235