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 5920-01-293-9926
NSN 6105-01-540-6031
NSN 5835-00-074-3700
NSN 5930-01-487-3803
NSN 5895-01-608-7193
NSN 5965-01-633-8849
NSN 6620-01-067-5670
NSN 5945-01-032-4742
NSN 5855-00-079-2370
NSN 6610-00-382-0266
NSN 6150-00-717-1596
NSN 6150-01-553-5309