5310-01-288-1453 WASHER,FLAT Index 5310-01-288-1455 WASHER,SHOULDERED

National Stock Number:
5310-01-288-1454

Federal Supply Class:
5310

National Item Identification Number:
012881454

Description:
WASHER,FINISHING

Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.


Manufacturer Information:
66-2955-281205THE BOEING COMPANY
66-2955-282918THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER0.161 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.001 INCHES MINIMUM AND 0.011 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 2024 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
OVERALL HEIGHT0.060 INCHES NOMINAL
RECESS ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
RECESS DIAMETER0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
STYLE DESIGNATORFINISHING


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