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 6620-01-411-2295
NSN 6220-01-171-8383
NSN 6150-00-990-3096
NSN 5975-00-849-7922
NSN 5895-01-111-0457
NSN 5975-00-370-9388
NSN 5920-01-259-6143
NSN 5835-00-223-7235
NSN 5895-01-534-9914
NSN 6145-01-044-8800
NSN 5998-01-650-0994
NSN 5985-01-533-0336