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 4140-01-047-4093
NSN 5996-01-633-7979
NSN 5935-01-450-2178
NSN 6685-01-160-8858
NSN 6645-00-483-7044
NSN 6220-01-354-2599
NSN 5965-01-037-2277
NSN 7035-01-502-6764
NSN 5965-01-350-1890
NSN 6105-00-932-5309
NSN 5960-01-632-6576
NSN 5996-00-905-6610