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National Stock Number:
5310-01-280-6771
Federal Supply Class:
5310
National Item Identification Number:
012806771
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:
| BACW10CW120CE | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OR | | STEEL COMP 304 OR | | STEEL COMP 321 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 12.2 MILLIMETERS MINIMUM AND | | 12.6 MILLIMETERS MAXIMUM | | OUTSIDE DIAMETER | 20.5 MILLIMETERS MINIMUM AND | | 21.0 MILLIMETERS MAXIMUM | | RECESS DIAMETER | 13.8 MILLIMETERS MINIMUM AND | | 14.2 MILLIMETERS MAXIMUM | | MATERIAL THICKNESS | 1.8 MILLIMETERS MINIMUM AND | | 2.2 MILLIMETERS MAXIMUM | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND | | 90.0 DEGREES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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