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 6645-00-255-8182
NSN 5910-00-693-4589
NSN 6320-01-054-3046
NSN 6130-01-215-9234
NSN 5960-01-201-5804
NSN 5915-01-615-9346
NSN 6150-01-084-7295
NSN 6685-01-278-2981
NSN 5965-01-193-0420
NSN 6220-01-514-2141
NSN 6130-00-420-2412
NSN 5998-01-438-3722