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 6620-00-613-3023
NSN 2925-01-434-6945
NSN 5895-01-332-3931
NSN 5990-01-400-2195
NSN 5930-01-375-0229
NSN 5990-01-097-4721
NSN 6220-00-369-5422
NSN 5935-01-290-1262
NSN 6610-00-587-1875
NSN 6220-01-171-0957
NSN 5945-01-333-0064
NSN 6620-01-214-8058