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 5950-01-360-2014
NSN 5999-00-808-9793
NSN 4140-01-312-2361
NSN 5895-01-529-6980
NSN 5895-01-188-7470
NSN 5895-00-395-1457
NSN 5996-01-581-1328
NSN 5920-01-034-1541
NSN 6320-01-149-8865
NSN 6110-00-190-7523
NSN 5915-00-278-5561
NSN 5985-00-960-4288