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 5998-00-253-1346
NSN 6135-01-621-9307
NSN 5998-01-501-0226
NSN 5920-01-471-3653
NSN 6220-00-817-8692
NSN 6105-00-891-9768
NSN 6650-01-420-3155
NSN 5950-00-860-0864
NSN 5835-01-229-6964
NSN 5950-01-350-5723
NSN 5930-01-129-7090
NSN 5999-00-942-9927