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 6240-01-400-4212
NSN 5915-00-269-4463
NSN 4140-00-852-7101
NSN 6320-01-607-1491
NSN 5945-01-359-6337
NSN 7035-00-753-0695
NSN 6220-01-209-2363
NSN 5990-01-370-7912
NSN 5910-01-307-9178
NSN 6610-01-441-8364
NSN 6150-01-648-5198
NSN 5920-01-658-7079