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 6240-01-080-9620
NSN 6685-00-785-2052
NSN 5895-00-359-3834
NSN 6650-01-378-5435
NSN 6650-00-310-8786
NSN 5960-01-599-9821
NSN 6150-00-019-5256
NSN 5945-01-176-6571
NSN 4140-00-379-4748
NSN 5925-01-080-2484
NSN 6620-01-155-4014
NSN 5975-01-350-3425