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National Stock Number:
5310-01-434-5881
Federal Supply Class:
5310
National Item Identification Number:
014345881
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:
| 53488W-524 | 56878 | SPS TECHNOLOGIES, LLC | | 6073-05 | 72962 | HARVARD INDUSTRIES INC | | K19701P5 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACW10AU5 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 4130 OVERALL | | RADIUS | 0.375 INCHES MAXIMUM | | RECESS DEPTH | 0.063 INCHES NOMINAL | | SPECIFICATION/STANDARD DATA | 81205-BACW10AU MANUFACTURERS STANDARD | | STYLE DESIGNATOR | CONCAVE | | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2, CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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