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 6110-01-515-7040
NSN 5998-00-516-8964
NSN 5996-01-025-5683
NSN 6135-00-073-8939
NSN 5855-01-228-0942
NSN 5895-00-913-6448
NSN 5990-00-001-4570
NSN 5965-00-461-2594
NSN 6610-00-222-4108
NSN 5990-01-172-4553
NSN 5855-01-040-3881
NSN 5855-01-553-3368