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 6685-00-531-7120
NSN 6645-00-843-8837
NSN 6650-01-603-8177
NSN 5996-00-110-5909
NSN 5935-01-100-4175
NSN 5999-01-013-7993
NSN 5985-01-639-8150
NSN 6645-01-553-3599
NSN 7035-01-062-0184
NSN 5930-01-642-2346
NSN 5965-00-686-7067
NSN 4140-00-905-8331