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 5990-00-407-4473
NSN 6620-01-462-0001
NSN 6150-01-429-9105
NSN 5930-01-498-4032
NSN 5925-01-563-2749
NSN 5935-00-895-9258
NSN 6130-01-461-9744
NSN 5920-00-267-3109
NSN 5835-00-358-4235
NSN 5990-01-044-1271
NSN 5925-00-998-2863
NSN 5915-01-327-6637