5310-00-550-1006 WASHER,FLAT Index 5307-00-550-1010 STUD,PLAIN

National Stock Number:
5310-00-550-1009

Federal Supply Class:
5310

National Item Identification Number:
005501009

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:
3514000198PRATT & WHITNEY CANADA CORP
A3514000198PRATT & WHITNEY CANADA CORP


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
OUTSIDE DIAMETER1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6312 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM
MATERIALSTEEL COMP 4640 OR STEEL COMP 8740 OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
TOP RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS DIAMETER0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM


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