5310-01-242-5993 WASHER,FLAT Index 5310-01-242-5995 WASHER,LOCK

National Stock Number:
5310-01-242-5994

Federal Supply Class:
5310

National Item Identification Number:
012425994

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:
83-00112U0215WINDER POWER LIMITED
83-00112U5012COUNTRYMAN GROUP LTD
A-25 468 0052845KOHLER CO ENGINE PLANT DIV
X-25-5852845KOHLER CO ENGINE PLANT DIV
X-25-58U0112HANCOX LTD


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.218 INCHES MINIMUM AND
0.223 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.365 INCHES MINIMUM AND
0.385 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.021 INCHES MINIMUM AND
0.041 INCHES MAXIMUM


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