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 5915-01-382-0517
NSN 5996-01-237-9644
NSN 6685-01-424-8046
NSN 6150-01-492-9843
NSN 5975-01-299-8270
NSN 6685-01-374-0349
NSN 5920-01-044-2685
NSN 5925-01-648-2635
NSN 6620-01-522-9125
NSN 6240-01-495-6759
NSN 5999-00-947-1428
NSN 4140-01-182-5861