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 5960-01-311-5817
NSN 5960-01-204-5820
NSN 5935-01-478-7071
NSN 5920-01-227-1877
NSN 5895-01-023-6150
NSN 6645-01-231-9891
NSN 6145-01-548-7120
NSN 6135-00-583-3966
NSN 6685-01-050-1828
NSN 5985-01-174-8941
NSN 6610-01-571-6898
NSN 6150-01-150-4353