Hardness: bs 60; tear strength 6 pounds; brittle point -90 degrees c
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 5945-01-378-7045
NSN 5965-01-521-2072
NSN 5835-01-303-6563
NSN 5835-01-315-4816
NSN 5990-00-258-0228
NSN 6685-01-501-6466
NSN 6620-00-049-5074
NSN 6650-01-260-1762
NSN 6240-01-169-1686
NSN 6130-01-453-7648
NSN 5990-01-411-5930
NSN 5975-01-364-1666