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 6240-00-973-8390
NSN 5835-01-282-2421
NSN 6220-01-447-4854
NSN 6110-01-487-6339
NSN 6650-01-197-4585
NSN 6620-00-663-8962
NSN 5985-01-554-5791
NSN 4140-01-441-9170
NSN 6220-00-111-0921
NSN 5905-01-430-2541
NSN 5996-01-158-8890
NSN 5965-00-686-7067