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 5975-01-632-3219
NSN 6105-01-357-6320
NSN 5945-01-512-1533
NSN 5945-00-905-1611
NSN 5990-00-952-6742
NSN 4140-01-595-3827
NSN 5996-01-028-7884
NSN 6620-01-085-2915
NSN 6240-01-386-4594
NSN 5998-00-342-6044
NSN 5930-00-199-9466
NSN 5920-01-370-4376