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 6150-00-062-6587
NSN 5998-00-633-5169
NSN 4140-01-492-3145
NSN 5999-01-603-6563
NSN 5999-01-417-9595
NSN 5835-01-426-6573
NSN 6645-01-366-4344
NSN 6685-00-103-2854
NSN 5920-00-221-6439
NSN 4140-01-519-9343
NSN 5998-01-133-9402
NSN 5945-00-263-3036