National Item Identification Number
01-468-1694
National Stock Number
Item Name
WASHER,CONCAVE
Federal Supply Class
5310
Description
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 recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MIL-W-45595/7
M45595/7-01
Required Categories
MATERIAL
SURFACE TREATMENT
HARDNESS RATING
STYLE DESIGNATOR
HOLE DIAMETER
R
Required Description
STEEL COMP 4130 OR
STEEL COMP 8740 OVERALL
CADMIUM OVERALL
40.0 ROCKWELL C MI