National Item Identification Number
00-209-0161
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
Commercial and Government Entity Code (Supplier Data)
24047
COOPER INDUSTRIES INC
DBA COOPER TOOLS
670 INDUSTRIAL DR
LEXINGTON
SC
29072
803-359-1200
6X081
COOPER INDUSTRIES
INDUSTRIAL MACHINERY DIV
5585 E SHELBY DR
750010
MEMPHIS
TN
38175
901-942-7011
Reference Numbers (Part Numbers)
90V27
90V27
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 8735 OVERALL
MIL-S-853,CL 3,TY F MIL SPEC SINGLE MATERIAL RESPONSE O