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 4140-00-349-3581
NSN 6645-01-301-5563
NSN 6130-00-832-9162
NSN 5945-01-530-5296
NSN 5965-01-614-4615
NSN 5998-01-555-8808
NSN 5920-01-032-0445
NSN 6220-01-217-4096
NSN 5998-01-018-7213
NSN 5975-00-688-4625
NSN 5945-00-379-6745
NSN 6105-01-600-0366