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 5930-01-443-2439
NSN 6220-01-634-0660
NSN 5925-01-027-6443
NSN 6620-01-317-4233
NSN 5965-00-617-5731
NSN 5835-01-274-1035
NSN 5835-01-535-0948
NSN 5998-00-189-7976
NSN 5998-01-377-9983
NSN 6135-01-545-6582
NSN 5895-01-430-3663
NSN 6620-00-232-2048