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 4140-01-100-6160
NSN 6610-00-143-7755
NSN 5855-00-298-0261
NSN 7035-01-141-3041
NSN 5930-01-515-0138
NSN 5945-00-852-2259
NSN 6240-00-725-9923
NSN 6145-01-055-8851
NSN 5990-00-144-3243
NSN 4140-00-617-0984
NSN 6105-01-583-1146
NSN 5999-01-553-4107