5310-01-431-4069 WASHER,FLAT Index 5310-01-431-4071 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-431-4070

Federal Supply Class:
5310

National Item Identification Number:
014314070

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
114250-21550040W0YANMAR MASTRY ENGINE CENTER, LLC
114250-215500AK42YANMAR DIESEL AMERICA CORP
114250-2155080LX1YANMAR AMERICA CORPORATION


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