National Item Identification Number
01-439-9519
National Stock Number
Item Name
WASHER,FINISHING
Federal Supply Class
5310
Description
A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
NAS1169C8
Required Categories
MATERIAL
SURFACE TREATMENT
HARDNESS RATING
STYLE DESIGNATOR
HOLE DIAMETER
O
Required Description
STEEL COMP 1095 OVERALL
CADMIUM OVERALL
42.0 ROCKWELL C MINIMUM AND
47.0 ROCK