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 5915-01-339-6647
NSN 6620-01-322-6193
NSN 5895-01-609-4139
NSN 6620-00-673-6867
NSN 4140-01-616-8555
NSN 5965-00-678-8725
NSN 5950-01-603-6844
NSN 7035-00-490-0485
NSN 6650-01-331-5243
NSN 6645-00-758-0870
NSN 5835-01-307-6884
NSN 5990-01-646-8048