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 6240-01-502-7280
NSN 5920-00-212-7505
NSN 2925-01-004-5627
NSN 6320-01-056-1164
NSN 5855-00-237-4088
NSN 6620-01-546-4942
NSN 5895-00-632-0901
NSN 5996-00-910-4462
NSN 5925-00-062-3354
NSN 5835-00-251-9138
NSN 5930-00-254-4738
NSN 5990-00-552-1611