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 5999-01-131-0427
NSN 6150-00-717-1596
NSN 5930-01-633-4875
NSN 5975-00-079-0022
NSN 7035-00-193-2269
NSN 6650-01-180-9160
NSN 6145-01-023-7719
NSN 5985-01-276-1042
NSN 6620-01-449-8743
NSN 6220-01-520-6281
NSN 5835-01-357-9235
NSN 6610-01-577-5404