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 6110-01-590-3647
NSN 6650-01-227-4976
NSN 4140-01-391-6462
NSN 5985-00-001-8118
NSN 6135-00-973-5632
NSN 5960-01-298-4143
NSN 5998-01-517-5420
NSN 6220-01-621-8525
NSN 5990-01-276-8122
NSN 2925-01-616-3037
NSN 6150-01-048-4207
NSN 5996-01-115-2823