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 5935-01-510-8551
NSN 6685-01-431-6820
NSN 6610-01-193-2169
NSN 6135-01-274-3546
NSN 6110-00-581-4445
NSN 6610-01-203-8098
NSN 6620-01-495-6880
NSN 6110-00-133-2429
NSN 6645-00-515-6148
NSN 5985-01-574-8875
NSN 5915-00-567-8512
NSN 5990-01-544-4360