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 5935-01-301-8393
NSN 5975-01-212-8668
NSN 6320-00-456-0836
NSN 6610-01-527-2395
NSN 5998-01-417-2532
NSN 6685-01-124-8899
NSN 6685-00-835-2749
NSN 5996-00-294-2363
NSN 6620-01-609-7819
NSN 6320-01-285-1922
NSN 5950-00-846-0601
NSN 6610-01-607-4525