5310-01-280-5791 WASHER,FLAT Index 5310-01-280-5793 WASHER,FLAT

National Stock Number:
5310-01-280-5792

Federal Supply Class:
5310

National Item Identification Number:
012805792

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:
BACW10BN5SP81205THE BOEING COMPANY
BACW10BP5DP81205THE BOEING COMPANY
NTA11551-5DPA0170LEONARDO SPA AEROSTRUCTURE DIVISION
BACW10BP5DPZ03F0BOEING DEFENCE AUSTRALIA LTD
BACW10BP5DPZ8T75BOEING DEFENCE AUSTRALIA LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.313 INCHES MINIMUM AND 0.324 INCHES MAXIMUM
OVERALL DIAMETER0.585 INCHES MINIMUM AND 0.605 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM


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