5310-14-257-9877 WASHER,FLAT Index 3110-14-258-7566 BALL,BEARING

National Stock Number:
5310-14-257-9878

Federal Supply Class:
5310

National Item Identification Number:
142579878

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:
10331305A486GNIMIKKEISTOKESKUS NCB FINLAND
23116CA050F0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23116CA050F0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23116CA050F0210AIRBUS HELICOPTERS (ETS DEMARIGNANE)
23116CA050F0236SAINT CHAMOND GRANAT SA
23116CA050F0434ALIGN AEROSPACE FRANCE SAS
23116CA050F1236PREAULT TECHNOLOGIES
23116CA050F4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
23116CA050PAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
3029-694F6103LUCAS FRANCE SA DIV AEROSPACE FRANCE
L23116-50CAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER5.25 MILLIMETERS MINIMUM AND 5.43 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF0111 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP Z3CN18-10 OVERALL
III HEAT TREATMENTAS FABRICATED
III MINIMUM TENSILE STRENGTH440 NEWTONS PER SQUARE MILLIMETER
III MINIMUM YIELD STRENGTH170 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER16.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE PA NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS1.0 MILLIMETERS NOMINAL


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