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 5998-01-523-9371
NSN 5996-01-478-4937
NSN 6610-00-724-7102
NSN 6150-00-377-8616
NSN 6150-00-827-0081
NSN 7035-01-232-7263
NSN 5895-01-199-1006
NSN 6685-00-965-0192
NSN 6135-01-590-8320
NSN 6610-00-998-4478
NSN 5935-00-942-4220
NSN 6320-01-313-2709