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 5920-00-149-0013
NSN 5905-00-456-0937
NSN 5999-01-487-6826
NSN 5945-01-445-6883
NSN 5975-01-219-1958
NSN 6145-01-130-1252
NSN 4140-01-389-2870
NSN 5996-00-304-8196
NSN 6130-00-261-4942
NSN 5910-00-423-7765
NSN 6135-01-193-8154
NSN 6650-01-555-8819