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 6320-01-389-8128
NSN 6240-01-026-1376
NSN 5960-01-428-7300
NSN 4140-01-248-7899
NSN 5960-01-328-8248
NSN 5960-00-894-1190
NSN 6150-01-570-5968
NSN 5950-01-611-0083
NSN 6685-00-372-4670
NSN 5895-00-112-2891
NSN 5920-00-269-6178
NSN 6620-01-431-9176