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 6650-01-442-5441
NSN 5965-00-275-0491
NSN 5905-01-650-6922
NSN 5960-01-171-1664
NSN 6135-00-958-7981
NSN 5996-00-682-3841
NSN 5930-00-554-1064
NSN 5985-00-895-3943
NSN 7035-01-024-9511
NSN 5895-00-909-9634
NSN 6135-01-642-6830
NSN 6650-01-441-3624