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 5930-01-229-0771
NSN 6130-00-620-7872
NSN 6145-01-401-3713
NSN 6320-01-154-1099
NSN 5935-00-839-7393
NSN 5910-00-146-4201
NSN 6150-01-226-2767
NSN 6645-00-581-9239
NSN 5960-01-351-5074
NSN 5950-00-763-2342
NSN 5960-01-254-3541
NSN 5950-01-571-6618