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 5998-01-553-6789
NSN 5910-01-453-5754
NSN 6220-00-152-7114
NSN 6685-01-017-9122
NSN 5950-01-196-4828
NSN 5960-00-872-0531
NSN 6650-00-009-9510
NSN 5930-00-682-1615
NSN 6620-00-197-5130
NSN 5999-01-517-8626
NSN 6135-00-906-0984
NSN 5998-00-982-2079