5310-00-816-7667 WASHER,RECESSED Index 5310-00-816-7669 WASHER,RECESSED

National Stock Number:
5310-00-816-7668

Federal Supply Class:
5310

National Item Identification Number:
008167668

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:
32-94639 REV A76301THE BOEING COMPANY
32-94639-376301THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER2.530 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.120 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER2.600 INCHES NOMINAL
STYLE DESIGNATORRECESSED
SURFACE TREATMENTANODIZE OVERALL


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