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National Stock Number:
5310-01-272-4833
Federal Supply Class:
5310
National Item Identification Number:
012724833
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:
| 4847481 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL COMP 1009 OR | | STEEL COMP 1020 OR | | STEEL COMP 1035 OR | | STEEL COMP 1040 OR | | STEEL COMP 1045 OR | | STEEL COMP 1050 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-635 FED SPEC ALL MATERIAL RESPONSES OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 3.936 INCHES MINIMUM AND | | 3.937 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.250 INCHES NOMINAL | | MATERIAL THICKNESS | 0.248 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | TOP RECESS DIAMETER | 4.036 INCHES MINIMUM AND | | 4.037 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 4.036 INCHES MINIMUM AND | | 4.037 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM |
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