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 5895-00-075-0181
NSN 5855-00-821-7512
NSN 5835-00-581-9460
NSN 6240-00-646-6931
NSN 5895-01-230-8682
NSN 6150-01-553-1204
NSN 5998-00-677-1949
NSN 6145-01-377-5130
NSN 6130-01-381-0207
NSN 6105-01-288-5003
NSN 2925-00-146-0179
NSN 5930-01-522-5980