5320-01-502-4810 PIN-RIVET Index 5310-01-502-4812 WASHER,FLAT

National Stock Number:
5310-01-502-4811

Federal Supply Class:
5310

National Item Identification Number:
015024811

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:
4M398-906970CABLECRAFT MOTION CONTROLS LLC
4M398-976301THE BOEING COMPANY
4M398-986928SEASTROM MANUFACTURING CO INC


Techincal Specification:
CENTER HOLE SHAPE STYLEDEE
CENTER HOLE WIDTH1.511 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.384 INCHES NOMINAL
LENGTH2.133 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY) WASHER, TAB--SAFETY WIRE
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEOVAL
RADIUS AT LARGE END0.819 INCHES NOMINAL
RADIUS AT SMALL END1.314 INCHES NOMINAL
SPECIAL FEATURESSMALLER END OF WASHER IS TABBED BACK 40-50 DEGREES BEGINNING AT 0.940 INCHES FROM WASHER CENTER HOLE
WIDTH1.639 INCHES NOMINAL
THICKNESS0.030 INCHES NOMINAL


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