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 6240-00-617-1719
NSN 6240-01-360-6213
NSN 6685-00-099-9025
NSN 5925-01-214-4130
NSN 5960-00-642-9977
NSN 5975-01-474-6278
NSN 5835-01-508-2528
NSN 5930-01-227-4131
NSN 5996-00-872-4979
NSN 6685-01-634-0611
NSN 6150-00-418-8498
NSN 5960-01-349-8791