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 5999-01-634-0576
NSN 6220-00-248-5511
NSN 5910-00-896-3391
NSN 6320-01-631-7828
NSN 5925-01-521-3915
NSN 6610-01-257-5808
NSN 6240-00-246-6201
NSN 5835-01-250-2939
NSN 6150-01-384-2405
NSN 5990-01-314-2264
NSN 5920-00-416-5999
NSN 5935-00-302-1749