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 6645-01-400-2119
NSN 5925-01-325-8920
NSN 5950-01-398-1239
NSN 6110-00-205-1778
NSN 5950-01-470-1866
NSN 5998-01-500-6975
NSN 5998-01-188-2141
NSN 6620-00-426-6884
NSN 5925-01-149-3066
NSN 5835-01-416-6455
NSN 5965-01-433-1974
NSN 5965-01-131-4078