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 5975-01-250-5331
NSN 5910-01-469-2463
NSN 5999-01-359-6289
NSN 5915-00-682-3865
NSN 5855-01-355-8729
NSN 5915-00-547-9935
NSN 5960-00-677-7444
NSN 5990-01-305-8121
NSN 6650-01-290-4001
NSN 6620-01-091-9697
NSN 5985-00-862-3291
NSN 5920-00-902-6827