5310-00-209-1688 WASHER,RECESSED Index 5310-00-209-1691 WASHER,RECESSED

National Stock Number:
5310-00-209-1689

Federal Supply Class:
5310

National Item Identification Number:
002091689

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:
7R4-19D43999THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OR
ALUMINUM ALLOY 2014 OR
ALUMINUM ALLOY 2017 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE OR
QQ-A-225/4 FED SPEC 2ND MATERIAL RESPONSE OR
QQ-A-225/5 FED SPEC 3RD MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER1.149 INCHES MINIMUM AND
1.152 INCHES MAXIMUM
OUTSIDE DIAMETER1.443 INCHES MINIMUM AND
1.446 INCHES MAXIMUM
OVERALL HEIGHT0.155 INCHES MINIMUM AND
0.160 INCHES MAXIMUM
RECESS DEPTH0.104 INCHES MINIMUM AND
0.109 INCHES MAXIMUM
MATERIAL THICKNESS0.075 INCHES NOMINAL
SURFACE FINISH100.0 MICROINCHES ALL SURFACES
THE MANUFACTURERS DATA
MANUFACTURERS CODE43999
DESIGN CONTROL REFERENCE7R4-19D


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