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 6620-00-527-6523
NSN 6610-01-139-4713
NSN 6130-01-537-0159
NSN 6105-00-823-6506
NSN 5998-01-016-4716
NSN 5930-01-349-0997
NSN 6645-00-736-0476
NSN 5935-01-445-4428
NSN 5975-01-273-6487
NSN 6685-01-399-8584
NSN 6240-01-263-9767
NSN 7035-01-492-5271