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 4140-01-506-6385
NSN 5915-01-156-8977
NSN 6145-01-273-0077
NSN 5925-00-874-0986
NSN 6240-01-257-7014
NSN 6220-01-083-7596
NSN 5998-01-010-4347
NSN 5985-01-253-6851
NSN 5930-01-260-5276
NSN 6610-00-005-1847
NSN 6610-01-308-5168
NSN 5895-01-445-8373