5310-01-169-7246 WASHER,FLAT Index 5310-01-169-7248 WASHER,RECESSED

National Stock Number:
5310-01-169-7247

Federal Supply Class:
5310

National Item Identification Number:
011697247

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:
200887656K0654SAFRAN LANDING SYSTEMS UK LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.390 INCHES NOMINAL
OVERALL DIAMETER0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
PERIPHERAL SHAPE STYLEDEE
SPECIAL TEST FEATURESPENETRANT INSPECT TO SPEC. NDT 8,PS 923,FSCM K0654
SPECIAL FEATURESSTRAIGHT EDGE BEVELED45 DEG BY 0.110 IN. WIDE
WIDTH0.593 INCHES MINIMUM AND 0.603 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONP.S. 102-1 MFR REF SINGLE TREATMENT RESPONSE AND P.S. 923,FSCM K0654 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM


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