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National Stock Number:
5310-00-953-3777
Federal Supply Class:
5310
National Item Identification Number:
009533777
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:
| 65104-11038-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HEAT TREATMENT | AS FABRICATED | | HOLE DIAMETER | 1.010 INCHES MINIMUM AND 1.025 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL | STEEL COMP 630 OVERALL | | RECESS DIAMETER | 1.150 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 90.0 MICROINCHES OUTER | | SURFACE FINISH | 90.0 MICROINCHES BOTTOM | | SURFACE FINISH | 90.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SS-8435 FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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