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National Stock Number:
5310-01-072-9037
Federal Supply Class:
5310
National Item Identification Number:
010729037
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:
| ST4M150C4002 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 321 OR | | STEEL COMP 347 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | COLOR | BROWN OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.257 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | RECESS DIAMETER | 0.497 INCHES MINIMUM AND | | 0.507 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.116 INCHES MINIMUM AND | | 0.124 INCHES MAXIMUM | | RECESS ANGLE | 79.0 DEGREES MINIMUM AND | | 81.0 DEGREES MAXIMUM | | SPECIAL FEATURES | COLOR CODE DTM (DYKEMCO) | | MINIMUM TENSILE STRENGTH | 750000 POUNDS PER SQUARE INCH |
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