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 5975-01-284-8669
NSN 5985-00-408-8669
NSN 5996-00-482-7334
NSN 6220-01-134-1005
NSN 5996-01-276-1949
NSN 5920-01-033-1975
NSN 5920-00-387-5312
NSN 6320-01-481-7322
NSN 6610-00-111-3159
NSN 5996-01-472-2858
NSN 5935-00-138-4230
NSN 6145-01-605-4451