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 5960-01-023-6618
NSN 6220-00-516-7156
NSN 5945-00-734-7263
NSN 5855-01-426-3471
NSN 5945-01-170-7630
NSN 5950-00-854-0864
NSN 6110-00-114-0868
NSN 4140-01-124-8904
NSN 5855-01-461-0690
NSN 6150-00-247-0074
NSN 5910-01-054-2951
NSN 6220-00-421-6700