1560-01-522-8426 PANEL,STRUCTURAL,AIRCRAFT Index 6695-01-522-8428 INDICATOR,POSITION

National Stock Number:
5310-01-522-8427

Federal Supply Class:
5310

National Item Identification Number:
015228427

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:
BACW10BN8SP81205THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.501 INCHES MINIMUM AND 0.512 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
III MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM
SPECIAL FEATURESSERVICE TEMPERATURE 450.0 DEGREES F; NEXT HIGHER ASSEMBLY - FLAP ASSEMBLY , T.E. INBOARD
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.064 INCHES MINIMUM AND 0.078 INCHES MAXIMUM


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