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 5945-01-640-8526
NSN 6650-01-029-2995
NSN 5965-00-605-8239
NSN 5945-01-391-1041
NSN 4140-01-094-4571
NSN 5935-00-204-9510
NSN 6650-00-804-2039
NSN 4140-00-075-2000
NSN 5895-01-094-7744
NSN 5965-00-079-0928
NSN 5920-01-010-4855
NSN 6650-01-572-5797