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 5920-00-438-4973
NSN 4140-01-343-7302
NSN 5895-01-042-7888
NSN 6105-00-027-5642
NSN 5998-00-121-4846
NSN 5930-00-491-2965
NSN 6145-01-541-3310
NSN 6610-00-229-5785
NSN 6320-00-823-2015
NSN 6610-00-111-3648
NSN 6220-01-146-2838
NSN 5950-01-642-7994