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 5990-01-504-9265
NSN 5835-01-592-2350
NSN 6650-00-909-8380
NSN 5930-00-753-7889
NSN 6220-00-407-1054
NSN 6620-00-988-9170
NSN 6220-00-350-8204
NSN 5998-01-504-2439
NSN 5965-00-194-9875
NSN 6320-00-908-6841
NSN 5855-00-586-6255
NSN 2925-00-439-9239