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 5930-00-195-4551
NSN 5930-00-263-6957
NSN 6110-00-868-2103
NSN 5999-00-152-7998
NSN 5925-01-210-8875
NSN 6135-00-369-2368
NSN 5996-00-893-2673
NSN 5999-01-088-8386
NSN 5915-00-306-4105
NSN 2925-01-390-7963
NSN 6145-01-441-7190
NSN 5855-01-132-5139