MS3215C
TABLE I. Dimensions.
0B SHAFT (REF) |
0D FREE |
E LARGE SECTION HEIGHT |
T 1/ THICKNESS |
0G |
w wIDTH |
R 3/ |
CH 3/ |
0Y FREE OUTSIDE |
||||||
RECOMMENDED GROOVE (REF) |
OF RETAINED PART (REF) |
|||||||||||||
INCH |
MM |
BASIC |
TOL |
(REF) |
BASIC |
TOL |
BASIC |
TOL |
BASIC |
TOL |
MAX |
MAX |
(REF) |
|
.094 |
2.4 |
.072 |
+.001 -.003 |
.067 |
.015 |
±.002 |
.074 |
+.002 -.000 .0015 FIM 2/ |
.020 |
+.002 -.000 |
.045 |
.033 |
.206 |
|
.125 |
3.2 |
.093 |
.089 |
.015 |
.095 |
.020 |
.045 |
.033 |
.270 |
|||||
.156 |
4.0 |
.113 |
+.002 -.003 |
.111 |
.025 |
.116 |
.030 |
+.003 -.000 |
.065 |
.050 |
.335 |
|||
.188 |
4.8 |
.143 |
±.003 |
.116 |
.025 |
.147 |
.030 |
.065 |
.050 |
.375 |
||||
.219 |
5.6 |
.182 |
.132 |
.025 |
.188 |
±.002 .002 FIM 2/ |
.030 |
.065 |
.050 |
.446 |
||||
.250 |
6.3 |
.204 |
.156 |
.025 |
.210 |
.030 |
.065 |
.050 |
.516 |
|||||
.312 |
7.9 |
.242 |
.173 |
.025 |
.250 |
±.003 .003 FIM 2/ |
.030 |
.070 |
.055 |
.588 |
||||
.375 |
9.5 |
.292 |
±.004 |
.184 |
.035 |
.303 |
.040 |
.070 |
.055 |
.660 |
||||
.438 |
11.1 |
.332 |
.207 |
.035 |
.343 |
.040 |
.070 |
.055 |
.746 |
|||||
.500 |
12.7 |
.385 |
.212 |
.042 |
.396 |
±.003 .004 FIM 2/ |
.047 |
.080 |
.060 |
.810 |
||||
.562 |
14.3 |
.430 |
.220 |
.042 |
.437 |
.047 |
.080 |
.060 |
.870 |
|||||
1/ T = Thickness "T" applies to unplated rings. For corrosion resistant steel and plated rings, +.002 should be added to the maximum tolerance, i.e., ±.002 should be +.004/-.002.
2/ FIM = (Full Indicator Movement) is the maximum allowable deviation of concentricity between the groove and the shaft.
3/R and CH = Radii or chamfers allowable on parts to be retained by the rings. Thrust loads of rings, retaining parts with corner radii or chamfers (see note "3 (g)" on page 5.)
Requirements:
1. Classification: Retaining rings furnished under this standard shall be Type I, Class 9 of the procurement specification.
2. Material:
(a) Carbon steel, grade 1060 thru 1095 (UNS G10600 thru G10950) in accordance with ASTM A568/A568M or ASTM A684/A684M.
(b) Corrosion resistant steel in accordance with SAE-AMS 5520 (UNS S15700).
(c) Beryllium copper alloy number 170 (UNS C17000) or alloy number 172(UNS C17200) in accordance with ASTM B194.
3. Hardness:
TABLE II. Hardness.
0 SHAFT (REF) |
CARBON STEEL |
CORROSION RESISTANT STEEL |
BERYLLIUM COPPER |
.094 and .125 .156 to .12 incl. .375 to .562 incl. |
84.5 - 87 HR15N 66.5 - 71 HR30N 47 - 52 HRC |
82.5 - 86 HR15N 63 - 69.5 HR30N 44 - 51 HRC |
77 - 82 HR15N 54 - 62 HR30N 34 - 43 HRC |
4. Protective finish or surface treatment:
(a) Carbon steel - shall be as specified (see Table III):
(1) Cadmium plate in accordance with SAE-AMS-QQ-P-416, Type II, Class 3 or ASTM B696, Type
II, Class 5.
(2) Zinc coat in accordance with ASTM B633, Type II, Class Fe/Zn5, or ASTM B695, Type II, Class 5.
(3) Phosphate coating accordance with MIL-DTL-16232, Type I, Class 2.
2
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