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 2925-01-101-4655
NSN 5950-01-025-6732
NSN 6650-00-518-5194
NSN 5905-00-170-5571
NSN 6610-00-712-2217
NSN 4140-00-640-6811
NSN 6620-01-091-1038
NSN 5855-00-688-9954
NSN 6105-01-464-4251
NSN 6150-01-005-2010
NSN 5855-01-372-1622
NSN 2925-01-629-9416