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 5925-01-448-9590
NSN 5960-00-194-1488
NSN 5975-01-422-5507
NSN 4140-01-268-2429
NSN 6240-01-401-5340
NSN 6610-01-045-1823
NSN 5895-01-024-9573
NSN 5855-01-119-3316
NSN 6610-00-962-8263
NSN 5975-01-043-3084
NSN 5975-01-323-1155
NSN 5895-01-383-7406