MS16625D
REQUIREMENTS:
1. MATERIAL: CARBON STEEL, SAE AIR 4127, STEEL NUMBERS 1066 THRU 1090, STEEL CORRISION RESISTING (SEE PROCUREMENT SPECIFICATION).
BERYLLIUM COPPER, ASTM B194.
2. HARDNESS
TABLE II. HARDNESS.
HOUSING DIA. |
STEEL |
HOUSING DIA. |
CORROSION RESISTANT STEEL |
BERYLLIUM COPPER |
.250 AND .312 |
ROCKWELL 15N-86-88 |
.250 AND .312 |
ROCKWELL 15N-82.5-86 |
ROCKWELL 15N-77-82 |
.375 TO .512 INCL. |
ROCKWELL 30N-69.5-73 |
.375 TO 1.023 |
ROCKWELL 30N-63-69.5 |
ROCKWELL 30N-54-62 |
.562 TO .777 INCL. |
ROCKWELL 30N67.5-72.1 |
1.062 AND OVER |
ROCKWELL C-44-51 |
ROCKWELL C-34-45 |
.812 TO 1.025 INCL. |
ROCKWELL 30N-66-71 |
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1.062 TO 3.000 INCL. |
ROCKWELL C-47-52 |
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3.062 AND OVER |
ROCKWELL C-45-52 |
3. PROTECTIVE FINISH OR TREATMENT:
(a) CADMIUM PLATE IN ACCORDANCE WITH SAE AMS-QQ-P-416, TYPE II, CLASS 3. (b) CORROSION RESISTING STEEL RINGS SHALL BE PASSIVATED, SAE AMS2700. (c) PHOSPHATE COAT IN ACCORDANCE WITH MIL-DTL-16232, TYPE Z, CLASS II.
(d) ZINC COAT IN ACCORDANCE WITH ASTM B633, TYPE II, CLASS Fe/Zn 5 OR ASTM B695, TYPE II, CLASS 5.
4. PART NUMBER: THE BASIC MS PART NUMBER IS FOLLOWED BY A DASH NUMBER TAKEN FROM TABLE III AND IV.
EXAMPLE: MS16625-1100 IS THE PART NUMBER FOR A STEEL, INTERNAL RING FOR USE IN A 1.000 DIAMETER HOUSING.
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