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National Stock Number:
5310-00-814-0620
Federal Supply Class:
5310
National Item Identification Number:
008140620
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:
| 10665628 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 0.254 INCHES MINIMUM AND 0.263 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.380 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.507 INCHES MINIMUM AND 0.537 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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