5310-14-256-3119 WASHER,FLAT Index 5310-14-256-3121 WASHER,FLAT

National Stock Number:
5310-14-256-3120

Federal Supply Class:
5310

National Item Identification Number:
142563120

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:
23114CA080F0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23134CA080F0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23134CA080F0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23134CA080F1236PREAULT TECHNOLOGIES
23134CA080F6760DEMAT SA
23134CA080F7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
3036-394F6103LUCAS FRANCE SA DIV AEROSPACE FRANCE
405185F0302SAFRAN TRANSMISSION SYSTEMS
5310-14-226-8601F0000CIMD (CENTRE D'IDENTIFICATION DES MATERIELS DE LA DEFENSE)
L23114-80CAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
L23134-80CAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER8.25 MILLIMETERS MINIMUM AND 8.47 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF0111 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP Z3CN18-10 OVERALL
III MINIMUM TENSILE STRENGTH440 NEWTONS PER SQUARE MILLIMETER
III MINIMUM YIELD STRENGTH170 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER14.0 MILLIMETERS NOMINAL
THICKNESS1.5 MILLIMETERS NOMINAL


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