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National Stock Number:
5310-01-049-1285
Federal Supply Class:
5310
National Item Identification Number:
010491285
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:
| 209-032-219-1 | 32904 | IN SPECK CORP | | 209-032-219-1 | 54878 | ROTAIR AEROSPACE CORP | | 209-032-219-1 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| HOLE DIAMETER | 0.886 INCHES MINIMUM AND 0.898 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.150 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | RECESS ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM | | RECESS DIAMETER | 1.076 INCHES MINIMUM AND 1.098 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
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