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 6150-01-283-7945
NSN 6135-01-104-3790
NSN 6220-01-079-9869
NSN 5930-01-481-3571
NSN 5998-00-847-8696
NSN 5965-00-957-5200
NSN 5915-01-533-6733
NSN 5996-01-463-7127
NSN 5985-00-416-5683
NSN 2925-01-581-7478
NSN 5930-01-003-3428
NSN 5960-01-009-5983