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 5999-01-165-4187
NSN 5990-00-970-2171
NSN 6645-00-803-6417
NSN 5895-01-029-0501
NSN 5930-01-351-6141
NSN 5935-01-258-9170
NSN 5990-01-200-7460
NSN 5950-01-137-5498
NSN 6135-01-498-2233
NSN 6650-00-629-8027
NSN 5920-00-448-9917
NSN 6145-00-971-8284