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National Stock Number:
5310-00-639-7423
Federal Supply Class:
5310
National Item Identification Number:
006397423
Description:
WASHER,FINISHING
Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.
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Manufacturer Information:
| 218855 | 73682 | GARRETT GEORGE K CO DIV MSL INDUSTRIES INC | | A3475-020 | 78553 | TINNERMAN PALNUT ENGINEERED PRODUCTS INC | | A3475-020-24A | 78553 | TINNERMAN PALNUT ENGINEERED PRODUCTS INC | | A3475-020-3 | 78553 | TINNERMAN PALNUT ENGINEERED PRODUCTS INC |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 41.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | FINISHING | | HOLE DIAMETER | 0.255 INCHES MINIMUM AND | | 0.265 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.802 INCHES MINIMUM AND | | 0.822 INCHES MAXIMUM | | RECESS DIAMETER | 0.546 INCHES NOMINAL | | MATERIAL THICKNESS | 0.010 INCHES MINIMUM AND | | 0.030 INCHES MAXIMUM | | RECESS ANGLE | 99.0 DEGREES MINIMUM AND | | 102.0 DEGREES MAXIMUM |
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