5310-00-147-6527 WASHER,FLAT Index 5365-00-147-6529 SPACER,RING

National Stock Number:
5310-00-147-6528

Federal Supply Class:
5310

National Item Identification Number:
001476528

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:
27D2020AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING47.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 52.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.333 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
OVERALL DIAMETER0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OR AMS5122 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1095 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2800 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM


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