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 5999-01-579-0407
NSN 6320-00-994-0179
NSN 5965-01-011-1228
NSN 5999-01-459-8452
NSN 6650-00-984-5340
NSN 5990-01-370-7912
NSN 5975-01-003-8937
NSN 6135-00-377-9165
NSN 6130-01-565-5500
NSN 5895-00-916-1728
NSN 5935-00-647-4020
NSN 5985-00-599-6522