5310-00-551-5616 WASHER,FLAT Index 5310-00-551-5619 WASHER,FLAT

National Stock Number:
5310-00-551-5617

Federal Supply Class:
5310

National Item Identification Number:
005515617

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:
2W1ALP37-31-6443999THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.578 INCHES MINIMUM AND
0.588 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.9524 INCHES MINIMUM AND
0.9836 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.064 INCHES NOMINAL
SPECIFICATION/STANDARD DATA43999-2W1 MANUFACTURERS STANDARD
THE MANUFACTURERS DATA
MANUFACTURERS CODE43999
DESIGN CONTROL REFERENCE2W1ALP37-31-64


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