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 5925-01-538-9229
NSN 6220-00-752-6030
NSN 4140-01-364-1684
NSN 2925-00-495-8130
NSN 6320-00-343-1798
NSN 5996-00-296-9629
NSN 5935-00-518-5027
NSN 6130-01-334-5184
NSN 5895-00-697-1782
NSN 5905-01-206-1505
NSN 6620-01-407-5619
NSN 5895-01-484-5072