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 6320-01-419-1225
NSN 5945-00-905-5749
NSN 5990-00-782-0112
NSN 5950-01-586-7107
NSN 6685-00-100-1511
NSN 5910-01-388-2673
NSN 6610-01-140-5921
NSN 4140-01-022-1431
NSN 4140-01-137-5936
NSN 6620-00-128-7980
NSN 6610-00-001-2517
NSN 6130-00-900-4758