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National Stock Number:
5310-01-176-7021
Federal Supply Class:
5310
National Item Identification Number:
011767021
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:
| 757086-10 | 56878 | SPS TECHNOLOGIES, LLC | | HS4134C10 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HS4134C10 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | COBALT ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.627 INCHES MINIMUM AND | | 0.631 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.052 INCHES MINIMUM AND | | 1.072 INCHES MAXIMUM | | RECESS DIAMETER | 0.778 INCHES MINIMUM AND | | 0.788 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.071 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SPECIAL FEATURES | HEAT TREATMENT, 260,000 PSI MIN |
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