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 5905-01-462-0685
NSN 5950-01-142-0588
NSN 5855-00-185-1560
NSN 2925-00-308-0797
NSN 4140-01-079-6886
NSN 5960-01-229-5052
NSN 6620-00-880-1361
NSN 5999-01-646-5181
NSN 4140-01-323-4279
NSN 6320-01-452-2394
NSN 5975-01-331-5922
NSN 5835-00-617-3578