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National Stock Number:
5310-01-248-7072
Federal Supply Class:
5310
National Item Identification Number:
012487072
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:
| NWC78A339 | 12934 | NAVAL AIR WARFARE CENTER WEAPONS DIV |
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Techincal Specification:
| MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643,COND H1100 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HOLE DIAMETER | 0.500 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | RECESS DIAMETER | 0.562 INCHES NOMINAL | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | RECESS ANGLE | 52.0 DEGREES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES COUNTERBORE WALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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