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 2925-01-103-1241
NSN 6650-01-467-8818
NSN 5998-00-469-3404
NSN 5930-01-004-1423
NSN 6650-01-425-1934
NSN 5915-01-458-0836
NSN 5990-01-112-3901
NSN 5965-01-640-7104
NSN 5835-01-508-2528
NSN 5855-01-338-1718
NSN 6320-01-506-9439
NSN 6620-00-193-9503