5310-01-265-2443 NUT,SELF-LOCKING,HEXAGON Index 5330-01-265-2445 SEAL,PLAIN ENCASED

National Stock Number:
5310-01-265-2444

Federal Supply Class:
5310

National Item Identification Number:
012652444

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:
WP22-1456878SPS TECHNOLOGIES, LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING39.0 ROCKWELL C NOMINAL AND 43.0 ROCKWELL C MINIMUM
HOLE DIAMETER0.877 INCHES MINIMUM AND 0.881 INCHES MAXIMUM
OVERALL DIAMETER1.775 INCHES MINIMUM AND 1.785 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SUPPLEMENTARY FEATURESMAGNAFLUX 100,PER MIL-I-6868
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM


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