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 5999-00-171-6906
NSN 6220-00-913-8486
NSN 6240-00-140-1802
NSN 6685-01-108-0358
NSN 5998-01-609-1985
NSN 5996-01-508-8171
NSN 6150-00-455-9860
NSN 5915-01-522-5188
NSN 4140-00-131-6486
NSN 5975-00-290-4285
NSN 5910-01-140-9619
NSN 6320-01-523-4954