5310-01-565-6186 WASHER,RECESSED Index 5310-01-565-6246 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-01-565-6193

Federal Supply Class:
5310

National Item Identification Number:
015656193

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:
803-1401890 PC 44 SST80064NAVAL SHIP SYSTEMS COMMAND
803-1623943 PC 16 SST80064NAVAL SHIP SYSTEMS COMMAND
943-16S86700RAILWAY SPECIALTIES CORP


Techincal Specification:
HOLE DIAMETER0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
MATERIAL THICKNESS0.094 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYHINGE PIN COLLAR
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.688 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER0.500 INCHES NOMINAL
STYLE DESIGNATORRECESSED


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