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National Stock Number:
5310-01-034-6643
Federal Supply Class:
5310
National Item Identification Number:
010346643
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:
| 12007758 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | OXIDE FILM OVERALL | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND | | 35.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 1.750 INCHES MINIMUM AND | | 1.752 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.060 INCHES MINIMUM AND | | 5.070 INCHES MAXIMUM | | RECESS DIAMETER | 2.103 INCHES MINIMUM AND | | 2.105 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.400 INCHES MINIMUM AND | | 0.410 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19204 | | DESIGN CONTROL REFERENCE | 12007758 |
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