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National Stock Number:
5310-01-471-5320
Federal Supply Class:
5310
National Item Identification Number:
014715320
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:
| 950-3 | 80049 | DEPARTMENT OF THE AIR FORCE |
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Techincal Specification:
| MATERIAL | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OR | | STEEL COMP 1021 OR | | STEEL COMP 1022 OR | | STEEL COMP 1023 OR | | STEEL COMP 1524 OR | | STEEL COMP 1025 OR | | STEEL COMP 12L14 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7097 MIL SPEC SINGLE MATERIAL RESPONSE OR | | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OR | | ASTM A108-81, CONDITION: COLD DRAWN ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OR | | QQ-Z-325,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND | | 85.0 ROCKWELL B MAXIMUM | | STYLE DESIGNATOR | CONCAVE | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | SPECIAL FEATURES | ROCKWELL HARDNESS PERTAINS TO QQ-S-698 |
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