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 5990-01-151-8756
NSN 5920-00-829-3634
NSN 5945-00-121-1695
NSN 5985-01-173-3309
NSN 5999-00-078-3892
NSN 6645-01-265-0648
NSN 5985-00-277-4230
NSN 5960-01-449-1310
NSN 4140-01-492-2515
NSN 5996-01-133-2478
NSN 6620-01-352-5640
NSN 5996-01-426-8531