5310-01-149-0745 WASHER,FLAT Index 5310-01-149-0747 WASHER,RECESSED

National Stock Number:
5310-01-149-0746

Federal Supply Class:
5310

National Item Identification Number:
011490746

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:
23-400-1286887SIGMA TEK, INC.


Techincal Specification:
HOLE DIAMETER0.250 INCHES NOMINAL
OUTSIDE DIAMETER0.490 INCHES NOMINAL
MATERIAL THICKNESS0.050 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2024 OVERALL
RADIUS0.002 INCHES NOMINAL
RECESS DIAMETER0.395 INCHES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES


Click here to Register for Free 30-day Trial