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National Stock Number:
5310-01-279-2153
Federal Supply Class:
5310
National Item Identification Number:
012792153
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:
| K52207P-5 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | K52207P-5 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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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-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OR STEEL COMP E4340 OVERALL | | RADIUS | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | RECESS DEPTH | 0.092 INCHES NOMINAL | | STYLE DESIGNATOR | CONCAVE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | Q-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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