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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-447-2718
NSN 7035-00-946-2642
NSN 5935-01-426-7385
NSN 5975-00-690-9061
NSN 5930-00-732-7785
NSN 6220-01-248-4452
NSN 5950-01-566-0461
NSN 5996-00-722-4944
NSN 6220-01-621-8968
NSN 5990-01-625-5923
NSN 6240-01-457-5672
NSN 6650-01-266-5576