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 6650-01-226-0720
NSN 5915-01-633-9845
NSN 6320-00-779-5923
NSN 6135-01-168-2944
NSN 5835-01-136-3394
NSN 6650-01-558-4713
NSN 5905-01-195-2184
NSN 5945-00-110-4946
NSN 6105-01-352-6103
NSN 5930-00-244-5787
NSN 6610-01-624-1188
NSN 5999-01-056-1306