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 5930-01-424-5196
NSN 5920-01-423-8595
NSN 7035-00-104-7613
NSN 5920-00-730-8541
NSN 5985-00-128-1441
NSN 5835-01-296-3790
NSN 5998-01-243-1726
NSN 5996-01-367-2081
NSN 5990-01-595-9441
NSN 5945-00-887-6882
NSN 6240-00-244-0483
NSN 6620-01-423-7300