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 5920-00-135-0127
NSN 6145-01-263-7322
NSN 5975-01-064-1511
NSN 5930-00-859-5278
NSN 5945-00-883-5996
NSN 5935-01-353-2168
NSN 5975-00-014-0784
NSN 6610-01-044-4740
NSN 6645-01-480-9847
NSN 5910-01-036-6427
NSN 5999-01-462-2322
NSN 5999-00-879-2163