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 6130-00-909-2101
NSN 4140-01-551-6908
NSN 5915-01-417-3123
NSN 6145-01-571-7928
NSN 5950-01-066-7856
NSN 5915-01-324-1108
NSN 4140-01-454-7856
NSN 5855-01-416-0084
NSN 5920-00-362-1376
NSN 5910-00-225-8489
NSN 5935-01-362-4168
NSN 5945-01-253-0357