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 6130-00-581-9322
NSN 6620-01-441-0240
NSN 5835-01-652-4959
NSN 2925-00-075-2714
NSN 6220-00-880-7806
NSN 6620-00-923-5137
NSN 5835-01-416-6455
NSN 5998-00-701-9143
NSN 5996-00-838-6941
NSN 5960-01-430-3911
NSN 5835-01-080-7784
NSN 6150-01-634-0575