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 5910-01-630-8049
NSN 5975-00-770-5634
NSN 5999-01-149-5207
NSN 5975-01-048-7729
NSN 4140-01-227-6918
NSN 5965-01-023-9359
NSN 6110-00-660-8998
NSN 5965-00-249-6980
NSN 6240-00-079-1759
NSN 5960-01-411-5899
NSN 5950-01-250-6102
NSN 5950-00-226-7939