7210-00-205-3545 CUSHION,CHAIR AND STOOL Index 8305-00-205-3558 CLOTH,CHEESECLOTH

National Stock Number:
5310-00-205-3555

Federal Supply Class:
5310

National Item Identification Number:
002053555

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:
568-1006-1025583L3HARRIS AVIATION PRODUCTS, INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER3.432 INCHES MINIMUM AND 3.528 INCHES MAXIMUM
OVERALL DIAMETER5.918 INCHES MINIMUM AND 5.994 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 3/4 HARD OR HARD MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 3/4 HARD OR HARD MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171 FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.114 INCHES MINIMUM AND 0.140 INCHES MAXIMUM


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