5310-01-160-3972 WASHER,FLAT Index 5310-01-160-3974 WASHER,FLAT

National Stock Number:
5310-01-160-3973

Federal Supply Class:
5310

National Item Identification Number:
011603973

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
MS15795-52080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS15795-52096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.649 INCHES MINIMUM AND 0.686 INCHES MAXIMUM
OVERALL DIAMETER1.305 INCHES MINIMUM AND 1.342 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 113 OR COPPER ALLOY 116 OR COPPER ALLOY 120 OR COPPER ALLOY 121 OR COPPER ALLOY 122 OR COPPER ALLOY 123 OR COPPER ALLOY 125 OR COPPER ALLOY 127 OR COPPER ALLOY 128 OR COPPER ALLOY 130 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND F CLASS
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM


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