5310-00-851-5852 WASHER,FLAT Index 5310-00-851-5855 WASHER,FLAT

National Stock Number:
5310-00-851-5853

Federal Supply Class:
5310

National Item Identification Number:
008515853

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:
FF-W-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
S124682-4-13-310630ANILLO INDUSTRIES LLC
S124682-4-13-318355THE BOEING COMPANY
S124682-4-13-388277THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
OVERALL DIAMETER0.812 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7952 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1020 OR STEEL COMP 1025 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.030 INCHES NOMINAL


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