5310-00-167-0878 WASHER,LOCK Index 5310-00-167-0880 WASHER,RECESSED

National Stock Number:
5310-00-167-0879

Federal Supply Class:
5310

National Item Identification Number:
001670879

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:
AN975-688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
HOLE DIAMETER0.375 INCHES MINIMUM AND 0.407 INCHES MAXIMUM
OUTSIDE DIAMETER0.765 INCHES MINIMUM AND 0.797 INCHES MAXIMUM
OVERALL HEIGHT0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.077 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
MATERIALSTEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OR STEEL OVERALL
RECESS DEPTH0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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