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 5855-00-879-7245
NSN 5910-00-092-3206
NSN 6110-01-030-9457
NSN 5950-01-346-1055
NSN 5935-01-130-3487
NSN 6620-01-074-2882
NSN 5960-01-088-6553
NSN 4140-01-604-9981
NSN 4140-01-542-5522
NSN 6240-00-945-0298
NSN 6135-01-017-3001
NSN 6150-01-543-7317