Concave is 0.4375 radius, height unknown.
No other part numbers with same form, fit, and function found.
A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes bearing, washer thrust.
Classification: Copper washers including spring washers not threaded
NSN 6685-01-120-9297
NSN 6240-01-119-5199
NSN 6130-01-025-6770
NSN 5998-01-530-5988
NSN 5855-00-631-4565
NSN 5998-01-654-7709
NSN 6240-00-272-8601
NSN 6620-01-452-1161
NSN 5960-01-632-6576
NSN 5990-01-542-4212
NSN 5965-00-905-7561
NSN 5999-01-314-9437