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 5855-00-631-4565
NSN 5998-00-368-9396
NSN 6650-01-604-9315
NSN 6650-01-406-5322
NSN 5945-00-111-9382
NSN 6150-01-078-1230
NSN 5950-01-512-9099
NSN 5915-01-119-0250
NSN 5935-01-511-0932
NSN 5910-00-387-4855
NSN 5998-00-235-3568
NSN 5999-00-066-2820