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 5945-00-914-9019
NSN 6645-01-295-7418
NSN 5905-01-588-4521
NSN 5998-00-613-7450
NSN 4140-01-581-2051
NSN 5930-00-389-6473
NSN 5920-01-166-7047
NSN 6240-01-541-6009
NSN 6135-00-998-5884
NSN 5975-01-163-2130
NSN 6130-00-470-5195
NSN 6650-01-317-9242