5310-14-343-6455 WASHER,FLAT Index 5306-14-343-6457 BOLT,CLOSE TOLERANCE

National Stock Number:
5310-14-343-6456

Federal Supply Class:
5310

National Item Identification Number:
143436456

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:
23116AG060LEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23116AG060LEF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23116AG060LEF1236PREAULT TECHNOLOGIES
23116AG060LEF6760DEMAT SA
23116AG060LEF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L23116-60AGLEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
MATERIAL THICKNESS1.2 MILLIMETERS NOMINAL
PERIPHERAL SHAPE STYLE120
MINIMUM TENSILE STRENGTH59.0 HECTOBARS
MINIMUM YIELD STRENGTH32.0 HECTOBARS
OUTSIDE DIAMETER18.0 MILLIMETERS NOMINAL
SURFACE TREATMENTLE-CHROMATATION
CASEHARDENING INDICATORNOT CASEHARDENED
CENTER HOLE SHAPE STYLE130
CROSS-SECTIONAL SHAPE STYLE140
HEAT TREATMENTAS FABRICATED
MATERIALACIER XC38-F0111


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