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 5925-00-563-3707
NSN 6150-00-469-9383
NSN 5920-00-740-3121
NSN 4140-01-495-6979
NSN 5855-01-525-5251
NSN 6110-01-241-5030
NSN 5960-00-921-5805
NSN 5975-01-210-4979
NSN 5996-00-245-6273
NSN 5998-01-231-6787
NSN 5996-00-272-2560
NSN 6240-00-197-6819