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 4140-01-049-3977
NSN 6105-00-872-1602
NSN 6130-01-014-5419
NSN 5925-00-104-5761
NSN 6105-01-483-1506
NSN 5895-01-327-0766
NSN 5915-01-617-7683
NSN 5990-00-753-8870
NSN 5999-01-420-9699
NSN 4140-01-316-6739
NSN 5960-00-398-1029
NSN 4140-00-210-0552