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 5998-00-481-6781
NSN 5895-01-215-8483
NSN 6110-00-188-9874
NSN 6240-01-495-1912
NSN 6135-00-269-5843
NSN 5930-01-608-1251
NSN 6110-01-652-4303
NSN 5925-01-182-1639
NSN 6105-01-040-2149
NSN 5960-01-087-8687
NSN 5998-01-232-0945
NSN 5915-00-171-1812