National Item Identification Number
01-260-4935
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)
34889
HUNT VALVE COMPANY INC
DBA UNION FLONETICS
1913 E STATE ST
SALEM
OH
44460
330-337-9535
Reference Numbers (Part Numbers)
E8389MBF
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
THE MANUFACTURERS DATA
MANUFACT
Required Description
COPPER ALLOY 462 OR
COPPER ALLOY 464 OR
COPPER ALLOY 482 OR
COPPER ALLOY 485