5310-01-470-7311 WASHER,FLAT Index 5325-01-470-7313 RING,RETAINING

National Stock Number:
5310-01-470-7312

Federal Supply Class:
5310

National Item Identification Number:
014707312

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:
AS3265-050U583SAE INTERNATIONAL
AS3265-0581343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MA3265-050U583SAE INTERNATIONAL


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD ALL MATERIAL RESPONSES OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER5.5 MILLIMETERS MINIMUM AND
5.6 MILLIMETERS MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER10.3 MILLIMETERS MINIMUM AND
10.6 MILLIMETERS MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS1.6 MILLIMETERS MINIMUM AND
1.8 MILLIMETERS MAXIMUM


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