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National Stock Number:
5310-01-256-9733
Federal Supply Class:
5310
National Item Identification Number:
012569733
Description:
WASHER,CONCAVE
Detail:
A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.
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Manufacturer Information:
| 140-030-1 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| HOLE DIAMETER | 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E4340 OVERALL | | MINIMUM TENSILE STRENGTH | 145000 POUNDS PER SQUARE INCH | | RADIUS | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM | | SPECIAL FEATURES | COUNTERSINK 45.0 DEG,0.035 IN. MIN,0.045 IN. MAX,OPPOSITE CONCAVE | | STYLE DESIGNATOR | CONCAVE | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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