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 6145-00-237-4598
NSN 5975-01-442-4109
NSN 6105-01-634-0322
NSN 5960-01-570-8605
NSN 5925-01-508-4999
NSN 5975-01-048-6188
NSN 6150-01-360-5574
NSN 5998-01-013-8550
NSN 5915-00-294-9419
NSN 5985-00-405-1146
NSN 5915-01-091-7860
NSN 5998-01-175-6287