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 5905-01-520-5389
NSN 2925-01-446-6976
NSN 6650-00-481-2474
NSN 5895-00-842-2139
NSN 6145-01-114-8001
NSN 5855-00-797-8217
NSN 6610-01-386-0647
NSN 5945-01-210-2701
NSN 2925-01-590-8691
NSN 5905-01-135-1120
NSN 5835-01-568-7796
NSN 6650-01-263-0645