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National Stock Number:
5310-01-368-8071
Federal Supply Class:
5310
National Item Identification Number:
013688071
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:
| 12917084 | 19200 | US ARMY ARDEC RDECOM | | D0D-W-63546/8-23G | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | D0D-W-D63546/8 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | D63546/8-23G | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| HARDNESS RATING | 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | HOLE DIAMETER | 12.0 MILLIMETERS MINIMUM AND 12.1 MILLIMETERS MAXIMUM | | OUTSIDE DIAMETER | 20.8 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM | | MATERIAL THICKNESS | 4.2 MILLIMETERS NOMINAL | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL | | RADIUS | 18.5 MILLIMETERS NOMINAL | | STYLE DESIGNATOR | CONCAVE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2,CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
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