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 5925-00-901-2375
NSN 5915-01-160-0244
NSN 5920-01-517-1158
NSN 4140-00-740-2153
NSN 2925-00-185-1618
NSN 6110-01-431-5770
NSN 6650-01-649-0228
NSN 5835-01-290-4397
NSN 6620-01-062-7163
NSN 5975-00-779-1440
NSN 6610-00-448-5821
NSN 2925-00-120-9302