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 6145-01-353-0440
NSN 6130-00-921-4448
NSN 5915-01-561-8253
NSN 6650-01-142-6438
NSN 5905-01-357-4671
NSN 6650-01-615-5374
NSN 6650-01-046-7795
NSN 6105-01-111-4344
NSN 6105-01-370-5226
NSN 5905-01-042-0311
NSN 5996-01-032-4942
NSN 5925-01-631-4207