5310-00-887-7057 NUT Index 5985-00-887-7059 MAST

National Stock Number:
5310-00-887-7058

Federal Supply Class:
5310

National Item Identification Number:
008877058

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:
S6135-66667-378286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER2.411 INCHES NOMINAL
OUTSIDE DIAMETER3.005 INCHES NOMINAL
RECESS DIAMETER2.500 INCHES NOMINAL
MATERIAL THICKNESS0.073 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCES6135-66667-3


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