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National Stock Number:
5310-01-272-7452
Federal Supply Class:
5310
National Item Identification Number:
012727452
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:
| 7688-50001-004 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | 7688-50001-004 | 15090 | RAYTHEON COMPANY | | AS21-6 | 10630 | ANILLO INDUSTRIES LLC |
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Techincal Specification:
| FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.064 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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