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National Stock Number:
5310-00-529-8471
Federal Supply Class:
5310
National Item Identification Number:
005298471
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:
| 1560H34-026 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | 4M36-02016 | 76301 | THE BOEING COMPANY | | S1620-64175-2 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.368 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | RADIUS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | RECESS DIAMETER | 0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM | | STYLE DESIGNATOR | CONCAVE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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