5310-00-485-3065 WASHER,FLAT Index 3020-00-485-3084 GEAR,SPUR

National Stock Number:
5310-00-485-3074

Federal Supply Class:
5310

National Item Identification Number:
004853074

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:
S8164-270210HONEYWELL INTERNATIONAL INC.
S8164-272599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
S8164-299193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
HEAT TREATMENTAS FABRICATED
HOLE DIAMETER0.3765 INCHES NOMINAL
OVERALL DIAMETER0.670 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH100.0 MICROINCHES INNER
SURFACE FINISH100.0 MICROINCHES OUTER
SURFACE FINISH40.0 MICROINCHES BOTTOM
SURFACE FINISH40.0 MICROINCHES TOP
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.0925 INCHES NOMINAL


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