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 6240-01-387-0904
NSN 5905-01-656-2778
NSN 5990-00-827-0684
NSN 5985-00-057-3497
NSN 5960-00-481-6677
NSN 5945-01-614-7668
NSN 5945-01-078-2385
NSN 7035-01-254-3606
NSN 6110-01-083-8317
NSN 7035-01-066-5676
NSN 5990-01-482-5950
NSN 5915-00-943-0382