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 6240-00-485-9986
NSN 5999-01-393-4471
NSN 4140-01-250-0204
NSN 6240-01-444-7785
NSN 6135-01-568-1367
NSN 6620-01-614-9337
NSN 5999-01-446-7852
NSN 5999-01-222-0389
NSN 5910-01-308-0665
NSN 6145-01-012-2098
NSN 5960-00-912-1114
NSN 5915-01-252-3666