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 4140-01-424-4595
NSN 5910-01-075-3788
NSN 5996-01-631-4606
NSN 6105-01-348-6606
NSN 5855-00-058-1293
NSN 6685-01-169-9065
NSN 6130-00-181-2494
NSN 5960-00-117-6969
NSN 6105-00-003-6141
NSN 6685-01-245-7596
NSN 6320-01-203-9864
NSN 6110-01-382-5790