5360-01-435-1725 SPRING,HELICAL,EXTENSION Index 5310-01-435-1727 WASHER,LOCK

National Stock Number:
5310-01-435-1726

Federal Supply Class:
5310

National Item Identification Number:
014351726

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:
140-007-17J17C397499BELL TEXTRON INC


Techincal Specification:
MATERIALSTEEL COMP 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5604 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
HOLE DIAMETER0.265 INCHES MINIMUM AND
0.275 INCHES MAXIMUM
OUTSIDE DIAMETER0.521 INCHES MINIMUM AND
0.541 INCHES MAXIMUM
MATERIAL THICKNESS0.089 INCHES MINIMUM AND
0.099 INCHES MAXIMUM
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL
SURFACE FINISH63.0 MICROINCHES TOP
63.0 MICROINCHES BOTTOM


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