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 5996-01-503-0742
NSN 5960-01-599-9821
NSN 6610-01-322-1394
NSN 5930-01-644-0321
NSN 5915-00-220-9912
NSN 4140-01-356-3726
NSN 5905-01-403-2806
NSN 6110-01-013-2737
NSN 5930-01-418-0965
NSN 5999-01-634-0576
NSN 5925-01-017-7270
NSN 6130-00-149-0705