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 5998-01-622-5739
NSN 5895-00-304-5167
NSN 6320-00-242-3300
NSN 5998-01-433-0354
NSN 6105-01-608-3125
NSN 6145-01-650-1791
NSN 5915-01-169-6448
NSN 5835-00-936-8753
NSN 5990-00-554-0366
NSN 5920-00-151-4039
NSN 5998-01-517-7670
NSN 5996-01-041-4946