5310-01-032-8287 WASHER,CONVEX Index 3950-01-032-8289 HOIST,CHAIN

National Stock Number:
5310-01-032-8288

Federal Supply Class:
5310

National Item Identification Number:
010328288

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:
GW502BA9C26512NORTHROP GRUMMAN SYSTEMS CORPORATION
WCL22-956878SPS TECHNOLOGIES, LLC


Techincal Specification:
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM
OUTSIDE DIAMETER0.958 INCHES MINIMUM AND 0.978 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5085 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OR STEEL COMP 1050 OVERALL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER0.684 INCHES MINIMUM AND 0.694 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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