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 6620-00-484-4662
NSN 6320-01-451-0821
NSN 5998-01-558-7939
NSN 5999-01-541-5219
NSN 5835-01-122-6951
NSN 5930-01-116-1829
NSN 7035-01-485-2134
NSN 6130-01-583-5864
NSN 5910-01-601-4756
NSN 5835-00-632-8621
NSN 5950-01-589-0834
NSN 4140-00-410-2581