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 6620-01-611-7907
NSN 5920-01-593-4322
NSN 5855-01-231-4945
NSN 6610-00-264-0961
NSN 6620-00-165-1749
NSN 5975-01-660-7634
NSN 5915-01-158-6864
NSN 5975-00-406-4753
NSN 6135-00-660-8654
NSN 6130-01-457-1399
NSN 5960-01-399-4327
NSN 6135-00-221-4720