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 5998-00-124-1064
NSN 5990-01-007-3806
NSN 6130-01-204-1288
NSN 5915-01-011-7693
NSN 6110-00-728-4515
NSN 5930-00-560-4231
NSN 6650-00-832-6970
NSN 5835-01-541-9991
NSN 5910-00-932-3229
NSN 2925-01-646-9112
NSN 6685-00-820-2104
NSN 4140-01-181-4485