5310-01-105-1871 WASHER,RECESSED Index 5310-01-105-1873 WASHER,SHOULDERED

National Stock Number:
5310-01-105-1872

Federal Supply Class:
5310

National Item Identification Number:
011051872

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:
5310PL22102379009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
SS5103C1078286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSS8435 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.631 INCHES MINIMUM AND
0.643 INCHES MAXIMUM
OUTSIDE DIAMETER1.062 INCHES NOMINAL
RECESS DIAMETER0.765 INCHES MINIMUM AND
0.785 INCHES MAXIMUM
MATERIAL THICKNESS0.080 INCHES NOMINAL
RECESS ANGLE45.0 DEGREES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCESS5103C10


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