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 5965-01-041-4978
NSN 5925-00-104-3516
NSN 6650-00-458-2394
NSN 5935-01-496-7609
NSN 5999-01-640-6742
NSN 2925-01-446-0525
NSN 5835-01-120-5079
NSN 6220-00-095-3687
NSN 5915-01-013-8995
NSN 6135-01-383-0151
NSN 6240-01-381-5541
NSN 5855-01-413-8962