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 5990-01-282-4617
NSN 5990-01-546-1649
NSN 5985-00-203-1200
NSN 6135-00-583-3966
NSN 5915-01-597-9432
NSN 5935-00-651-9896
NSN 5915-01-068-3842
NSN 2925-00-789-1106
NSN 7035-01-250-4268
NSN 5996-01-555-4224
NSN 5930-01-328-8510
NSN 6610-01-442-3509