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 5998-00-260-1899
NSN 5905-01-504-3758
NSN 5835-00-458-4392
NSN 5998-01-544-3263
NSN 5835-00-358-4235
NSN 6110-01-226-0394
NSN 6645-01-370-4259
NSN 6110-01-161-8065
NSN 6685-00-622-7178
NSN 6620-01-597-7200
NSN 5910-00-548-3843
NSN 6610-01-446-5975