5310-14-331-0354 WASHER,FLAT Index 5310-14-331-0357 WASHER,FLAT

National Stock Number:
5310-14-331-0356

Federal Supply Class:
5310

National Item Identification Number:
143310356

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:
23134CA060F0074BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA
23134CA060F0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23134CA060F0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23134CA060F0236SAINT CHAMOND GRANAT SA
23134CA060F0434ALIGN AEROSPACE FRANCE SAS
23134CA060F1236PREAULT TECHNOLOGIES
L23134-60CAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
405199F0302SAFRAN TRANSMISSION SYSTEMS
23134CA060F4871LEFEBVRE STE DES ANCIENS ETS PAUL SA


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER6.25 MILLIMETERS MINIMUM AND 6.47 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP Z2CN18-10 OVERALL
III HEAT TREATMENTAS FABRICATED
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER10.0 MILLIMETERS NOMINAL
SPECIAL FEATURES44.0 HECTOBAR MIN TENSILE STRENGTH
THICKNESS1.2 MILLIMETERS NOMINAL


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