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 5935-01-033-2110
NSN 4140-01-273-4891
NSN 5915-01-308-4623
NSN 6105-00-391-7634
NSN 5985-00-229-1742
NSN 5905-00-006-6542
NSN 5835-01-613-9485
NSN 6610-01-406-6696
NSN 6645-01-521-3180
NSN 5945-00-108-4394
NSN 6645-01-172-6838
NSN 6240-00-116-7442