5310-01-565-1327 WASHER,FLAT Index 5310-01-557-9450 WASHER,FLAT

National Stock Number:
5310-01-564-8972

Federal Supply Class:
5310

National Item Identification Number:
015648972

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:
367316845152OSHKOSH CORP
367316875Q65OSHKOSH DEFENSE LLC
9000106574410SAF-HOLLAND, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER3.030 INCHES NOMINAL
III PART NAME ASSIGNED BY CONTROLLING AGENCYSPACER, WASHER, SPNEN, RR
III SUPPLEMENTARY FEATURESOPENING-ID NOM 3.03 INCH
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER4.250 INCHES NOMINAL
THICKNESS0.310 INCHES NOMINAL


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