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 5835-01-495-0595
NSN 6150-00-228-1587
NSN 6320-01-149-8865
NSN 6620-00-827-1611
NSN 6320-01-462-2295
NSN 5910-00-900-4436
NSN 5930-01-306-8401
NSN 6610-00-550-6913
NSN 6220-01-044-5552
NSN 4140-00-394-3538
NSN 5950-01-469-0830
NSN 6110-01-272-9246