5310-00-771-7799 WASHER,FLAT Index 1560-00-771-7804 SKIN,AIRCRAFT

National Stock Number:
5310-00-771-7803

Federal Supply Class:
5310

National Item Identification Number:
007717803

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:
A-B4523-1D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
AB4523-154370ALFA LAVAL INC.
B452354370ALFA LAVAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.6695 INCHES MINIMUM AND 0.6725 INCHES MAXIMUM
OVERALL DIAMETER0.938 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAQ FSCM 54370 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM


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