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 4140-01-068-8513
NSN 6650-01-272-9746
NSN 6150-00-307-2652
NSN 5895-00-155-4578
NSN 6105-01-631-8747
NSN 6110-01-242-8363
NSN 5975-01-422-0477
NSN 6645-01-463-2198
NSN 6650-01-154-1870
NSN 5925-00-290-4451
NSN 6220-00-944-4512
NSN 6135-00-437-5182