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 5990-01-615-7823
NSN 2925-01-508-4138
NSN 6650-00-409-2236
NSN 6130-01-432-0344
NSN 6130-01-543-1806
NSN 2925-01-527-8745
NSN 5990-01-097-4721
NSN 6150-01-595-4982
NSN 5965-01-471-3278
NSN 5998-00-106-9321
NSN 5960-00-549-0960
NSN 5996-00-932-2187