5310-01-241-4016 WASHER,LOCK Index 5330-01-241-4018 SEAL,PLAIN

National Stock Number:
5310-01-241-4017

Federal Supply Class:
5310

National Item Identification Number:
012414017

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
4824317-188277THE BOEING COMPANY


Techincal Specification:
MATERIALCOPPER ALLOY 954 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER1.062 INCHES MINIMUM AND
1.072 INCHES MAXIMUM
OUTSIDE DIAMETER1.500 INCHES NOMINAL
RECESS DIAMETER1.290 INCHES MINIMUM AND
1.300 INCHES MAXIMUM
MATERIAL THICKNESS0.125 INCHES MINIMUM AND
0.135 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES NOMINAL


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