5320-01-530-6022 PIN-RIVET Index 4810-01-530-6024 SEAT,VALVE

National Stock Number:
5310-01-530-6023

Federal Supply Class:
5310

National Item Identification Number:
015306023

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:
H0010235T389FAST GLOBAL SOLUTIONS INC
USSFZ 0253HCG0BUILDING FASTENERS OF MINNESOTA INCORPORATED DBA BUILDING FASTENERS


Techincal Specification:
MATERIALSTEEL COMP 1006 OR
STEEL COMP 1008 OR
STEEL COMP 1009 OR
STEEL COMP 1010 OR
STEEL COMP 1011 OR
STEEL COMP 1012 OR
STEEL COMP 1013 OR
STEEL COMP 1015 OVERALL
SURFACE TREATMENTZINC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.310 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.730 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.069 INCHES NOMINAL
HARDNESS RATING49.0 ROCKWELL B MINIMUM


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