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 5905-00-930-5836
NSN 5930-00-946-2012
NSN 5905-01-408-6226
NSN 6240-00-447-0244
NSN 6620-01-641-4122
NSN 5950-00-737-0678
NSN 6135-01-045-1504
NSN 6130-00-006-5377
NSN 6685-01-576-9843
NSN 6150-01-357-6518
NSN 5915-01-361-9136
NSN 6150-01-331-9860