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 6620-00-004-1374
NSN 6645-01-349-1631
NSN 6650-01-057-2377
NSN 6150-01-034-0137
NSN 6620-00-789-1638
NSN 6650-00-717-8913
NSN 5915-01-130-5941
NSN 5975-00-985-6630
NSN 6240-01-055-9696
NSN 5985-01-128-6796
NSN 5895-01-514-0010
NSN 5945-01-347-4196