5340-00-619-4931 STANDOFF,THREADED,SPACING Index 5310-00-619-4933 WASHER,RECESSED

National Stock Number:
5310-00-619-4932

Federal Supply Class:
5310

National Item Identification Number:
006194932

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:
1006625PC156232LOCKHEED MARTIN CORPORATION
1981228PC110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
Y127-272794SOUTHCO INC


Techincal Specification:
HOLE DIAMETER0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
OUTSIDE DIAMETER0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
OVERALL HEIGHT0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-766 FED SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OVERALL
RECESS DEPTH0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENTPASSIVATE OVERALL


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