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 7035-01-218-4233
NSN 6105-01-242-0322
NSN 5999-00-035-9288
NSN 4140-01-419-0198
NSN 6110-00-146-2114
NSN 5999-01-127-1375
NSN 6135-01-068-0119
NSN 5960-01-632-6576
NSN 6620-00-654-3738
NSN 6620-00-800-1285
NSN 6135-01-391-8539
NSN 7035-00-763-6180