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 5965-01-538-0698
NSN 5990-00-855-1056
NSN 6150-00-522-4909
NSN 6610-00-252-3405
NSN 6650-01-625-4668
NSN 5920-01-049-8949
NSN 6130-01-643-5219
NSN 6220-01-482-7650
NSN 5895-01-315-0060
NSN 5999-01-469-7481
NSN 5998-01-515-3136
NSN 6135-01-265-1384