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 6240-00-694-1488
NSN 6110-00-874-4735
NSN 5835-01-500-9636
NSN 5998-01-419-0066
NSN 6645-00-089-8842
NSN 5975-00-931-7910
NSN 6135-01-079-7852
NSN 5975-01-654-3150
NSN 6105-01-457-7726
NSN 5999-01-141-1202
NSN 6240-00-204-9355
NSN 5855-00-444-2298