5310-00-433-3870 WASHER,FLAT Index 5310-00-433-3872 WASHER,FLAT

National Stock Number:
5310-00-433-3871

Federal Supply Class:
5310

National Item Identification Number:
004333871

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:
2074181-230506845RAYTHEON COMPANY
2074181-230571468ITT CANNON LLC


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTNICKEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.151 INCHES MINIMUM AND
0.161 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.312 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.027 INCHES MINIMUM AND
0.048 INCHES MAXIMUM
SPECIAL FEATURESBRIGHT SURFACE FINISH
THE MANUFACTURERS DATA
MANUFACTURERS CODE06845
DESIGN CONTROL REFERENCE2074181-2305


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