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 6220-01-542-2087
NSN 5925-01-216-7578
NSN 5945-00-456-5931
NSN 6105-01-124-0773
NSN 4140-01-261-1214
NSN 5895-00-942-5559
NSN 5905-00-827-1213
NSN 5930-00-141-9957
NSN 5905-00-898-6810
NSN 5950-00-782-8198
NSN 5999-01-105-7069
NSN 6610-00-500-0180