5310-01-139-4386 NUT,SELF-LOCKING,PLATE Index 5310-01-139-4388 WASHER,FLAT

National Stock Number:
5310-01-139-4387

Federal Supply Class:
5310

National Item Identification Number:
011394387

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:
16305024-00128009SYPRIS ELECTRONICS, LLC
526718-00153711NAVAL SEA SYSTEMS COMMAND
STD3/1686445PENN FIBRE AND SPECIALTY CO INC SUB OF PACIFIC TUBE CO
5267518-001D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
MATERIALPLASTIC POLYAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFM10001 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.190 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.030 INCHES NOMINAL


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