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 5905-01-619-3726
NSN 5965-00-121-0923
NSN 5998-00-277-7552
NSN 5895-00-817-7697
NSN 6240-01-440-6665
NSN 5855-01-165-6361
NSN 6620-00-643-1402
NSN 5835-01-618-7621
NSN 5965-00-791-0964
NSN 6620-01-398-8986
NSN 6685-01-609-8912
NSN 5999-00-396-3034