MS16624D
REQUIREMENTS:
1. CLASSIFICATION: RETAINING RINGS FURNISHED UNDER THIS STANDARD SHALL BE TYPE I, CLASS 2 OF THE PROCUREMENT SPECIFICATION.
2. MATERIAL: CARBON SPRING STEEL, GRADE 1060 THRU 1095 (UNS G10600 THRU G10950) IN ACCORDANCE WITH ASTM A 568/A568M OR ASTM A684/A684M.
CORRISION RESISTANT STEEL, IN ACCORDANCE WITH SAE AMS 5520 (UNS S15700).
BERYLLIUM COPPER, ALLOY NUMBER 170 (UNS C17000) OR ALLOY NUMBER 172 (UNS C17200) IN ACCORDANCE WITH ASTM B194.
3. HARDNESS
TABLE II. HARDNESS.
0SHAFT (REF) |
CARBON STEEL |
CORROSION RESISTANT STEEL |
BERYLLIUM COPPER |
.125 TO .236 |
77 TO 82 HRI5N |
||
.250 TO .669 |
68.5-73.0 HR30N |
||
.668 TO 1.500 |
52.5-59.0 HR45N |
||
1.562 TO 3.437 |
46.0-51.0 HRC |
||
3.500 & ABOVE |
44.0-49.0 HRC |
||
.250 TO .812 |
63-69.5 HR30N |
||
.875 & ABOVE |
44-51 HRC |
||
.250 TO 1.023 |
56.5 TO 62 HR30N |
||
1 .062 & ABOVE |
37 TO 43 HRC |
4. PROTECTIVE FINISH OR TREATMENT:
a. CARBON STEEL - SHALL BE (SEE TABLE Ill, IV, OR V)
1. CADMIUM PLATE IN ACCORDANCE WITH SAE AMS-QQ-P-416, TYPE II, CLASS 3 OR ASTM B 696, TYPE II, CLASS 5.
2. ZINC COAT IN ACCORDANCE WITH ASTM B633, TYPE II, CLASS Fe/Zn 5 or ASTM B 695, TYPE II, CLASS 5.
3. PHOSPHATE COAT IN ACCORCANCE WITH MIL-DTL-16232, TYPE Z, CLASS 2.
b. CORROSION RESISTANT STEEL - SHALL BE CLEANED, DESCALED AND PASSIVATED IN ACCORDANCE WITH SAE AMS2700.
c. BERYLLIUM COPPER - CADMIUM PLATE OR ZINC-NICKEL IN ACCORDANCE WITH AMS 2417, TYPE 2, AND IN ACCORDANCE WITHSAE SMS- QQ-P-416, TYPE II, CLASS 3 OR ASTM B 696, TYPE II, CLASS 5.
5. PART NUMBER: THE BASIC MS PART NUMBER IS FOLLOWED BY A DASH NUMBER TAKEN FROM TABLE Ill, IV, OR V.
EXAMPLE: MS16624-1100 IS THE PART NUMBER FOR A CARBON STEEL, CADMIUM PLATE, EXTERNAL BASIC RETAINING RING FOR USE ON A 1.000 SHAFT DIAMETER.
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