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 2925-01-572-4933
NSN 6150-01-264-5550
NSN 5998-00-847-8696
NSN 6110-00-596-9124
NSN 6220-00-954-0442
NSN 5935-00-119-2636
NSN 5935-00-959-8566
NSN 4140-01-110-1194
NSN 5998-00-037-9785
NSN 6650-01-500-1756
NSN 5999-01-302-0705
NSN 6620-01-116-3983