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 6320-01-512-2031
NSN 5835-01-531-0379
NSN 5905-00-548-3279
NSN 6610-00-186-9180
NSN 5975-01-130-7360
NSN 5855-01-418-6303
NSN 5996-01-224-7914
NSN 6105-01-400-4194
NSN 5935-01-049-2005
NSN 2925-01-359-4027
NSN 6320-01-216-1678
NSN 5835-01-416-6455