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 4140-01-583-2106
NSN 6105-00-179-2242
NSN 5935-01-518-2928
NSN 5999-00-355-9849
NSN 5895-01-302-7989
NSN 5985-00-823-2028
NSN 5920-01-507-2780
NSN 5945-01-507-4989
NSN 5990-01-107-1003
NSN 2925-01-206-2250
NSN 5855-00-014-5008
NSN 6685-01-347-6644