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 6645-01-500-0827
NSN 5935-00-104-7528
NSN 5895-00-612-5758
NSN 7035-01-445-3563
NSN 6145-01-398-5093
NSN 2925-00-225-5386
NSN 6620-01-398-4175
NSN 5915-01-599-8846
NSN
NSN 6240-01-546-3885
NSN 5996-01-400-3558
NSN 5999-01-445-5532