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 6240-01-608-2658
NSN 5998-01-062-7628
NSN 5920-00-411-3138
NSN 5985-01-465-1744
NSN 5925-01-473-0646
NSN 5960-00-996-9555
NSN 6150-01-055-6068
NSN 6220-00-004-6394
NSN 5996-00-143-4783
NSN 5960-00-738-6469
NSN 5920-00-043-3982
NSN 6610-01-095-1459