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 6650-01-210-9004
NSN 4140-00-770-1052
NSN 5999-00-932-3690
NSN 5910-01-107-0835
NSN 5998-01-192-9281
NSN 5985-00-217-8585
NSN 7035-00-150-2379
NSN 5920-00-080-5827
NSN 6220-00-079-0178
NSN 6130-01-378-6419
NSN 5915-01-562-1366
NSN 5960-01-442-7950