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 6105-00-292-4110
NSN 5950-01-395-6597
NSN 6610-01-481-6885
NSN 2925-01-338-7126
NSN 5910-01-593-3960
NSN 6620-00-343-8229
NSN 7035-01-040-1180
NSN 6650-00-994-6883
NSN 6240-01-332-0310
NSN 5960-01-094-7569
NSN 5999-01-118-1256
NSN 6650-01-295-4411