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 5990-01-425-2175
NSN 5895-01-021-8438
NSN 6610-00-851-3203
NSN 6150-01-054-0918
NSN 6685-01-634-0611
NSN 6220-01-437-0750
NSN 5945-01-081-0809
NSN 5950-01-510-9445
NSN 6110-01-239-3128
NSN 5910-01-458-5069
NSN 5835-00-823-6116
NSN 6685-00-409-4970