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 6610-01-481-6885
NSN 5920-00-554-0437
NSN 5998-01-623-2555
NSN 6320-00-139-1090
NSN 4140-01-228-3443
NSN 6220-00-643-4045
NSN 5935-01-441-8162
NSN 5920-01-339-3977
NSN 6150-01-502-7111
NSN 5965-01-436-0390
NSN 5990-01-377-7762
NSN 5905-00-079-4057