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 5950-01-339-8209
NSN 5975-01-612-4449
NSN 5996-00-546-9486
NSN 6150-01-409-2858
NSN 5950-01-257-7394
NSN 5910-01-436-4527
NSN 4140-01-501-4225
NSN 5996-01-306-8882
NSN 5855-01-380-2896
NSN 5835-01-054-7992
NSN 6220-01-483-1448
NSN 6130-01-010-3603