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 5945-01-186-6349
NSN 5965-01-509-0926
NSN 5960-00-409-9604
NSN 6145-01-434-4155
NSN 5990-01-553-6859
NSN 5935-01-577-2381
NSN 5996-01-323-1500
NSN 6650-01-227-6032
NSN 6220-01-551-1681
NSN 5996-00-674-7084
NSN 5975-01-398-0486
NSN 5855-01-464-3152