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 5855-01-578-6742
NSN 5990-01-437-4876
NSN 5996-01-156-9688
NSN 5998-00-538-8947
NSN 6105-01-462-7177
NSN 6220-01-555-1543
NSN 6610-01-491-4901
NSN 6105-00-605-0392
NSN 5945-01-432-2416
NSN 5960-00-752-6175
NSN 5998-00-861-4895
NSN 5935-01-432-3828