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 5996-00-491-6255
NSN 5960-00-194-1488
NSN 5996-01-377-3743
NSN 6620-00-001-1398
NSN 5998-01-241-6049
NSN 4140-01-128-6217
NSN 5999-01-319-7316
NSN 6650-01-271-3981
NSN 5835-01-362-0305
NSN 5835-01-442-6079
NSN 6145-00-661-0192
NSN 5999-00-336-0248