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 5905-01-510-3803
NSN 4140-01-543-7262
NSN 6620-00-770-9794
NSN 6240-01-401-5340
NSN 2925-00-964-7128
NSN 5895-01-516-5536
NSN 5975-01-371-3970
NSN 6135-01-069-2482
NSN 6240-00-925-4662
NSN 6220-00-062-7029
NSN 5905-00-758-1100
NSN 5915-00-317-1893