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 6130-01-321-5296
NSN 4140-01-117-5698
NSN 5965-01-014-3456
NSN 6220-01-176-1863
NSN 5950-00-595-5546
NSN 5999-01-509-2129
NSN 5920-01-587-2675
NSN 5920-00-843-0924
NSN 6135-01-517-6060
NSN 6135-01-532-7951
NSN 5998-01-211-6253
NSN 5835-00-458-4392