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 5855-00-135-9064
NSN 5998-00-005-9730
NSN 5895-01-010-0819
NSN 5996-01-121-0113
NSN 5835-00-993-7957
NSN 6145-01-108-2617
NSN 5975-01-065-1740
NSN 6645-01-556-5263
NSN 5945-01-546-0988
NSN 6105-01-156-0167
NSN 5930-01-556-6870
NSN 5999-01-038-2012