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 6685-01-004-1888
NSN 4140-00-912-1904
NSN 4140-01-655-1056
NSN 6620-01-367-0844
NSN 5920-01-446-9990
NSN 6240-01-283-0404
NSN 5996-01-438-0323
NSN 5835-01-436-6549
NSN 6620-00-866-4434
NSN 5999-01-179-1824
NSN 5975-01-083-2122
NSN 6150-01-293-3464