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 6610-01-386-4582
NSN 6110-01-471-4692
NSN 6620-01-406-3584
NSN 4140-01-386-5630
NSN 6650-00-484-3616
NSN 5975-00-368-8648
NSN 6110-00-413-4703
NSN 4140-01-028-9602
NSN 5925-00-654-1687
NSN 5999-00-203-5573
NSN 5905-01-554-4916
NSN 6150-01-161-4769