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 5915-01-057-8892
NSN 6650-01-591-5057
NSN 6645-01-561-6807
NSN 5960-01-132-2975
NSN 6240-00-660-8467
NSN 5895-01-406-5134
NSN 5965-01-304-6060
NSN 6610-00-915-3215
NSN 6620-01-290-2973
NSN 5910-01-030-4665
NSN 6320-00-394-8458
NSN 4140-01-506-2479