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 6220-01-363-2762
NSN 5998-00-526-9253
NSN 5930-00-495-7107
NSN 6620-00-993-7744
NSN 6220-00-136-0138
NSN 5996-00-930-8127
NSN 6320-00-994-0179
NSN 5910-01-521-9537
NSN 5925-01-352-6727
NSN 5985-01-541-6167
NSN 6135-01-222-0703
NSN 5835-00-969-5771