5310-01-226-9075 WASHER,FLAT Index 5310-01-226-9077 WASHER,SHOULDERED

National Stock Number:
5310-01-226-9076

Federal Supply Class:
5310

National Item Identification Number:
012269076

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:
BACW10BP61C81205THE BOEING COMPANY


Techincal Specification:
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.391 INCHES MINIMUM AND 0.402 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS 6352 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4135 OVERALL OR STEEL COMP 8735 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.649 INCHES MINIMUM AND 0.669 INCHES MAXIMUM
RECESS ANGLE80.0 DEGREES MINIMUM AND 90.0 DEGREES MAXIMUM
RECESS DIAMETER0.504 INCHES MINIMUM AND 0.524 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL AND CADMIUM OVERALL


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