Center hole has a 0.328 in. Diameter counterbore
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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5996-00-182-2002
NSN 5935-01-565-1902
NSN 5835-01-249-4529
NSN 5999-00-707-8740
NSN 6110-01-464-2931
NSN 6240-01-409-2465
NSN 7035-00-215-3272
NSN 6135-01-343-1592
NSN 5990-01-339-9238
NSN 6610-00-276-8919
NSN 5930-01-281-7696
NSN 6320-00-681-1324