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National Stock Number:
5310-01-143-6572
Federal Supply Class:
5310
National Item Identification Number:
011436572
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:
| BACW10DH-C6 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.496 INCHES MINIMUM AND 0.518 INCHES MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 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 | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | TOP RECESS ANGLE | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM | | TOP RECESS DIAMETER | 0.496 INCHES MINIMUM AND 0.518 INCHES MAXIMUM |
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