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 6685-01-133-6857
NSN 5975-01-208-1529
NSN 5960-00-215-5884
NSN 5999-00-059-2703
NSN 5999-01-485-2449
NSN 7035-00-753-0695
NSN 5915-01-389-7313
NSN 6130-00-867-1431
NSN 5930-01-340-7968
NSN 5998-00-253-1346
NSN 5855-00-586-6255
NSN 6130-00-186-0153