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 5915-01-437-5653
NSN 5950-01-339-9106
NSN 6135-00-152-8729
NSN 6650-01-399-8552
NSN 5945-01-574-2861
NSN 5925-01-284-1760
NSN 6620-00-862-5567
NSN 5920-00-880-2433
NSN 6130-01-229-8896
NSN 5895-01-324-5495
NSN 5990-00-943-1790
NSN 5855-01-400-1590