|
|
|
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.
|
Manufacturer Information:
| 950-3 | 80049 | DEPARTMENT OF THE AIR FORCE |
|
Techincal Specification:
| HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM | | 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 | | 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 | | SPECIAL FEATURES | ROCKWELL HARDNESS PERTAINS TO QQ-S-698 | | STYLE DESIGNATOR | CONCAVE | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | 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 | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
|
|