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 5990-01-090-3232
NSN 5930-01-311-9866
NSN 5999-01-339-5359
NSN 6240-00-505-6099
NSN 5855-00-610-4052
NSN 5855-01-252-5424
NSN 5999-01-315-6383
NSN 5960-01-541-9884
NSN 4140-00-224-2133
NSN 5998-00-772-9833
NSN 6650-01-629-9480
NSN 6610-00-222-4108