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 5985-01-634-0635
NSN 5835-01-495-0595
NSN 5975-00-368-8648
NSN 6610-00-902-7505
NSN 4140-00-017-2548
NSN 5965-00-605-8239
NSN 5930-01-231-2257
NSN 6620-00-916-2751
NSN 5990-01-251-2296
NSN 5960-01-377-1907
NSN 5975-01-214-5746
NSN 6240-01-330-2445