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 5998-00-860-6308
NSN 5945-01-285-4514
NSN 5996-00-499-8036
NSN 6610-00-998-4478
NSN 6685-00-141-4300
NSN 5925-00-959-4983
NSN 5915-01-073-5100
NSN 6610-01-141-7014
NSN 5960-01-077-6062
NSN 6135-00-405-1989
NSN 4140-01-428-9426
NSN 6135-01-524-7621