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 5855-01-603-6901
NSN 5990-01-527-7640
NSN 5925-01-628-4332
NSN 5905-01-277-4049
NSN 5915-01-596-8573
NSN 5855-00-879-7245
NSN 5999-00-227-3931
NSN 6240-01-380-2127
NSN 5999-01-508-8832
NSN 5950-01-516-1981
NSN 5855-01-145-8973
NSN 5985-01-386-5831