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 6650-01-422-1037
NSN 7035-01-642-0320
NSN 6220-00-424-6776
NSN 6105-01-514-8167
NSN 5945-00-382-5849
NSN 6650-01-534-5787
NSN 5920-00-539-7847
NSN 6645-00-469-5963
NSN 5985-00-828-8206
NSN 6610-00-753-2281
NSN 5960-00-677-7444
NSN 5915-01-506-1886