5310-01-137-5234 WASHER,FLAT Index 5310-01-137-5236 WASHER,LOCK

National Stock Number:
5310-01-137-5235

Federal Supply Class:
5310

National Item Identification Number:
011375235

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:
182110-371791CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.135 INCHES MINIMUM AND 0.136 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5513 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5640 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL OR STEEL COMP 303 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.220 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCPS6515,FSCM 71791 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM


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