5310-01-256-9739 WASHER,RECESSED Index 5310-01-256-9741 WASHER,SHOULDERED

National Stock Number:
5310-01-256-9740

Federal Supply Class:
5310

National Item Identification Number:
012569740

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:
140-007-97S68E697499BELL TEXTRON INC


Techincal Specification:
BOTTOM RECESS ANGLE89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
BOTTOM RECESS DIAMETER1.626 INCHES MINIMUM AND 1.646 INCHES MAXIMUM
HOLE DIAMETER1.506 INCHES MINIMUM AND 1.526 INCHES MAXIMUM
OUTSIDE DIAMETER2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
MATERIALSTEEL COMP 630 OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
TOP RECESS ANGLE89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
TOP RECESS DIAMETER1.626 INCHES MINIMUM AND 1.646 INCHES MAXIMUM


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