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 6620-01-443-8431
NSN 5920-01-058-3964
NSN 6650-01-024-9554
NSN 5855-00-189-6066
NSN 6610-00-081-2365
NSN 6150-00-435-8384
NSN 5920-00-387-5312
NSN 6220-00-688-7854
NSN 5996-01-513-7341
NSN 6685-00-527-7952
NSN 5910-01-447-2842
NSN 5895-01-302-4710