5310-14-257-9872 WASHER,FLAT Index 5310-14-257-9874 WASHER,FLAT

National Stock Number:
5310-14-257-9873

Federal Supply Class:
5310

National Item Identification Number:
142579873

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:
23111DG040JF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23111DG040JF6760DEMAT SA
23111DG040JF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L23111-40DGJF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
L23111-40DGJKCF40ANIXTER LTD
Z00.N5701373160F0086SOCATA


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER4.25 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9048 CLEAR PRINTED VALUE 11TH MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER8.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE J NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
THICKNESS0.8 MILLIMETERS NOMINAL


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