5310-14-316-1881 WASHER,FLAT Index 5310-14-316-1883 WASHER,FLAT

National Stock Number:
5310-14-316-1882

Federal Supply Class:
5310

National Item Identification Number:
143161882

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:
1134419F00F0555MBDA FRANCE
23111BC050LEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23111BC050LEF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23111BC050LEF1236PREAULT TECHNOLOGIES
23111BC050LEF6760DEMAT SA
23111BC050LEF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L23111-50BCLEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
DE2B260133051F6117DASSAULT AVIATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER5.25 MILLIMETERS MINIMUM AND 5.43 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 35NC6 OVERALL
III MINIMUM TENSILE STRENGTH880 NEWTONS PER SQUARE MILLIMETER
III MINIMUM YIELD STRENGTH740 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETERERR-090
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNFL 09-753 CODE LE NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THICKNESS1.0 MILLIMETERS NOMINAL


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