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 5945-01-398-0249
NSN 6650-01-619-9986
NSN 5935-00-509-6209
NSN 6130-01-323-1295
NSN 5925-00-543-7342
NSN 6645-00-936-2505
NSN 6240-01-461-9635
NSN 6130-01-482-4329
NSN 6150-01-426-4814
NSN 6620-00-286-5721
NSN 6240-01-465-4443
NSN 5960-01-411-5899