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 5999-00-506-7835
NSN 5996-00-450-2524
NSN 6150-00-802-1454
NSN 6220-01-619-5840
NSN 6130-00-375-6299
NSN 6610-01-028-7651
NSN 5975-00-805-1485
NSN 6110-00-825-7558
NSN 6110-01-306-7811
NSN 5950-00-840-6646
NSN 5999-01-056-4824
NSN 6650-01-109-8783