5305-14-290-4242 SCREW,CLOSE TOLERAN Index 5310-14-290-4364 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-14-290-4246

Federal Supply Class:
5310

National Item Identification Number:
142904246

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:
23116CA060F0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23116CA060F0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23116CA060F0236SAINT CHAMOND GRANAT SA
23116CA060F0434ALIGN AEROSPACE FRANCE SAS
23116CA060F4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
23116CA060F6760DEMAT SA
23116CA060F7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L23116-60CAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER6.0 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONF0111 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALACIER COMP Z3CN18-10 OVERALL
III MINIMUM TENSILE STRENGTH440.0 NEWTONS PER SQUARE MILLIMETER
III MINIMUM YIELD STRENGTH170.0 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER18.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE PA NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS1.2 MILLIMETERS NOMINAL


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