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 6110-00-618-4171
NSN 5910-01-067-7238
NSN 5895-00-465-7698
NSN 5855-01-554-8965
NSN 2925-00-483-9357
NSN 5996-01-446-5097
NSN 5920-01-529-9488
NSN 5996-01-417-4246
NSN 5910-01-364-1078
NSN 5975-01-631-6748
NSN 6650-01-616-6235
NSN 5935-00-222-7836