5310-01-048-6117 WASHER,RECESSED Index 5330-01-048-6119 PACKING,PREFORMED

National Stock Number:
5310-01-048-6118

Federal Supply Class:
5310

National Item Identification Number:
010486118

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:
140-007-16-16C497499BELL TEXTRON INC


Techincal Specification:
BOTTOM RECESS ANGLE89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
BOTTOM RECESS DIAMETER0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
HOLE DIAMETER0.250 INCHES NOMINAL
OUTSIDE DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.125 INCHES NOMINAL
MATERIALSTEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH240000 POUNDS PER SQUARE INCH
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
TOP RECESS ANGLE89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
TOP RECESS DIAMETER0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM


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