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 6110-00-141-1966
NSN 5925-01-323-4173
NSN 5996-01-352-0366
NSN 6105-00-588-7513
NSN 2925-00-923-9324
NSN 5915-01-397-9978
NSN 6320-01-078-8257
NSN 6645-00-902-2522
NSN 5945-00-970-6116
NSN 6150-01-495-4496
NSN 5965-01-255-5581
NSN 6240-01-147-5424