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 5945-01-033-5797
NSN 5920-00-408-4423
NSN 6220-01-533-1302
NSN 5910-00-370-2471
NSN 6130-01-284-5206
NSN 6620-00-513-0738
NSN 6135-01-036-3495
NSN 5990-00-419-0236
NSN 6105-01-542-2960
NSN 5895-00-458-9113
NSN 7035-01-429-7954
NSN 5920-01-478-7251