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National Stock Number:
5310-00-274-9569
Federal Supply Class:
5310
National Item Identification Number:
002749569
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.
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Manufacturer Information:
| 3A462 | 15723 | D N K | | SR7916 | 01843 | AMBAC INTERNATIONAL CORPORATION | | SR7916 | 15723 | D N K | | SR7916 | 16460 | MARINE ENGINE SPECIALTIES DIV OF MESCO TECTONICS INC | | SR7916 | 55509 | COOPER CAMERON CORP AJAX-SUPERIOR DIV |
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Techincal Specification:
| MATERIAL | STEEL COMP 1213 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.276 INCHES MINIMUM AND | | 0.279 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.521 INCHES MINIMUM AND | | 0.541 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.109 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.284 INCHES MINIMUM AND | | 0.287 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.284 INCHES MINIMUM AND | | 0.287 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | SPECIAL FEATURES | OUTSIDE EDGE OF BOTH SURFACES CHAMFERED 0.016 INCH BY 45 DEGREES |
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