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 5975-01-573-7455
NSN 5975-00-229-8976
NSN 5835-01-268-1924
NSN 6610-00-846-4525
NSN 6150-01-055-6670
NSN 5935-00-737-1268
NSN 6105-01-574-2906
NSN 5935-00-066-7982
NSN 5905-00-269-3705
NSN 6105-00-984-6141
NSN 5835-01-510-1873
NSN 5895-01-453-5868