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 6240-01-586-0275
NSN 5960-00-421-5983
NSN 5895-01-227-8845
NSN 5925-01-512-9060
NSN 5945-00-465-0471
NSN 6105-00-141-5598
NSN 6110-01-601-6637
NSN 5950-01-479-2378
NSN 2925-00-152-1825
NSN 5915-00-833-9025
NSN 6240-00-368-8541
NSN 6320-01-600-0787