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 2925-00-101-7972
NSN 5998-00-338-7373
NSN 5975-01-268-1529
NSN 5905-00-412-1708
NSN 5855-00-631-4565
NSN 5835-01-416-6455
NSN 5996-01-211-3562
NSN 5990-01-185-5346
NSN 5998-00-541-8792
NSN 5935-01-608-4860
NSN 5998-01-111-7497
NSN 5935-01-419-8021