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 5905-01-288-8087
NSN 6110-00-210-4235
NSN 6150-01-089-9401
NSN 2925-01-411-4666
NSN 5920-00-101-8266
NSN 6650-01-205-7035
NSN 5895-00-504-7700
NSN 5960-01-266-1011
NSN 5925-01-359-4814
NSN 6105-01-124-5902
NSN 2925-00-092-6526
NSN 6610-01-383-6982