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 5910-00-477-5025
NSN 4140-00-751-1694
NSN 5996-01-486-7454
NSN 6320-01-481-7322
NSN 5895-01-041-0822
NSN 6620-01-471-8128
NSN 5915-00-968-7515
NSN 5855-01-304-3064
NSN 5965-01-552-6545
NSN 6645-00-145-6411
NSN 5915-00-189-4679
NSN 5895-00-554-4573