5310-01-193-4529 WASHER,CONCAVE Index 5320-01-193-4531 RIVET,BLIND

National Stock Number:
5310-01-193-4530

Federal Supply Class:
5310

National Item Identification Number:
011934530

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:
3085527-196214RAYTHEON COMPANY


Techincal Specification:
HOLE DIAMETER0.067 INCHES NOMINAL
OUTSIDE DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
MATERIALSTEEL COMP 303 OVERALL
RECESS ANGLE82.0 DEGREES NOMINAL
RECESS DIAMETER0.120 INCHES NOMINAL
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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