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 6240-00-223-5058
NSN 6645-01-480-7819
NSN 6610-00-296-5007
NSN 6240-01-321-7844
NSN 5945-01-092-1025
NSN 5950-00-732-6067
NSN 5895-00-111-1560
NSN 5855-01-254-1571
NSN 5998-01-045-1555
NSN 5925-00-714-6448
NSN 6135-00-284-1406
NSN 6105-01-431-8819