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 5990-01-149-0691
NSN 5950-01-082-2266
NSN 6145-01-372-0600
NSN 6610-00-079-1508
NSN 5965-00-999-4334
NSN 5905-00-369-1644
NSN 5905-01-524-1971
NSN 5996-00-381-4878
NSN 6320-01-330-2138
NSN 6130-01-043-6786
NSN 5935-00-141-2506
NSN 5998-00-691-6070