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 6320-00-925-0558
NSN 6220-01-113-8210
NSN 5915-01-254-6608
NSN 5835-01-461-8184
NSN 6110-01-091-9703
NSN 5930-01-650-6572
NSN 6220-01-419-7146
NSN 5990-00-814-1718
NSN 5895-01-133-8199
NSN 6105-00-800-9859
NSN 6135-00-100-8890
NSN 6150-01-160-7536