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 5915-01-284-7014
NSN 5960-01-191-1982
NSN 4140-01-489-6004
NSN 6105-00-148-3670
NSN 5985-00-709-2331
NSN 5985-01-323-7029
NSN 6150-00-448-2357
NSN 6130-01-598-1944
NSN 5950-01-026-1833
NSN 5990-01-054-3332
NSN 5998-01-093-0505
NSN 6240-01-190-9523