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 6145-01-612-1749
NSN 6220-01-179-9637
NSN 5920-01-572-0246
NSN 6220-00-888-7235
NSN 5996-00-422-3328
NSN 5895-01-435-5497
NSN 4140-00-249-5603
NSN 5990-01-563-1554
NSN 6150-01-133-1514
NSN 5920-00-455-9743
NSN 2925-01-612-0405
NSN 6110-01-222-6582