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 6150-00-696-4295
NSN 5990-01-300-7801
NSN 6105-01-541-4811
NSN 5990-00-688-5531
NSN 6320-00-682-3448
NSN 5835-01-184-6878
NSN 5975-01-310-2961
NSN 5855-01-047-3231
NSN 6135-00-284-1406
NSN 5855-01-291-1126
NSN 6650-00-847-3492
NSN 6105-01-594-1249