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National Stock Number:
5310-01-291-4017
Federal Supply Class:
5310
National Item Identification Number:
012914017
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:
| K19701-4 | 15653 | 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 | 0.358 INCHES MINIMUM AND 0.364 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-8695 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 4037 OVERALL | | RADIUS | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM | | STYLE DESIGNATOR | CONCAVE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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