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 5998-01-277-7116
NSN 5910-01-451-4292
NSN 6135-01-136-5498
NSN 5855-01-462-7476
NSN 6685-00-186-0190
NSN 6320-01-078-8257
NSN 5990-01-419-0661
NSN 5960-01-495-0859
NSN 6620-00-420-1061
NSN 5990-01-544-4360
NSN 5915-00-501-1603
NSN 5910-01-508-1762