DLA MS3215 REV C-2011 RING RETAINING EXTERNAL 鈥淓鈥 REINFORCED (REDUCED SECTION TYPE).pdf
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1、AMSC N/A FSC 5325 DETAIL SPECIFICATION SHEET RING, RETAINING, EXTERNAL, “E”, REINFORCED (REDUCED SECTION TYPE) This specification sheet is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this
2、specification sheet and procurement specification MIL-R-21248. FIGURE 1. Ring, Retaining. MS3215C 25 October 2011 SUPERSEDING MS3215B 26 April 1990 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS3215C 2 TABLE I. Dimensions. B SHAFT (REF
3、) D FREE E LARGE SECTION HEIGHT T 1/ THICKNESS G W WIDTH R 3/ CH 3/ Y 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 .067 .015 .074 +.002 .020 +.002 .045 .033 .206 .125 3.2 .093 -.003 .089 .015 .095
4、 -.000 .020 -.000 .045 .033 .270 .156 4.0 .113 +.002 -.003 .111 .025 .116 .0015 FIM 2/ .030 .065 .050 .335 .188 4.8 .143 .116 .025 .147 .030 .065 .050 .375 .219 5.6 .182 .003 .132 .025 .188 .002 .030 .065 .050 .446 .250 6.3 .204 .156 .025 .002 .210 .002 FIM 2/ .030 +.003 -.000 .065 .050 .516 .312 7.
5、9 .242 .173 .025 .250 .003 .030 .070 .055 .588 .375 9.5 .292 .184 .035 .303 .003 .040 .070 .055 .660 .438 11.1 .332 .004 .207 .035 .343 FIM 2/ .040 .070 .055 .746 .500 12.7 .385 .212 .042 .396 .003 .047 .080 .060 .810 .562 14.3 .430 .220 .042 .437 .004 FIM 2/ .047 .080 .060 .870 1/ T = Thickness “T”
6、 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
7、 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. Ma
8、terial: (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
9、with ASTM B194. 3. Hardness: TABLE II. Hardness. 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
10、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) Phosphat
11、e coating accordance with MIL-DTL-16232, Type I, Class 2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS3215C 3 (b) Corrosion resistant steel shall be cleaned, descaled and passivated in accordance with SAE-AMS2700. 5. Part number: The basic MS p
12、art number is followed by a dash number taken from Table III. Example: MS3215-1025 is the part number for a carbon steel, cadmium plate, external, “E” reinforced, retaining ring for use on a .250 diameter shaft. TABLE III. Dash numbers for MS3215 S SHAFT (REF) CARBON STEEL 1/ CADMIUM PLATE CARBON ST
13、EEL 1/ ZINC COAT CARBON STEEL 1/ PHOSPHATE COAT STEEL, CORROSION RESISTANT BERYLLIUM 1/ COPPER DASH NO. DASH NO. DASH NO. DASH NO. DASH NO. .094 .125 .156 .188 .219 .250 .312 .375 .438 .500 .562 -1009 -1012 -1015 -1018 -1021 -1025 -1031 -1037 -1043 -1050 -1056 -2009 -2012 -2015 -2018 -2021 -2025 -20
14、31 -2037 -2043 -2050 -2056 -3009 -3012 -3015 -3018 -3021 -3025 -3031 -3037 -3043 -3050 -3056 -4009 -4012 -4015 -4018 -4021 -4025 -4031 -4037 -4043 -4050 -4056 -5009 -5012 -5015 -5018 -5021 -5025 -5031 -5037 -5043 -5050 -5056 1/ Substitute corrosion resistant steel when used in food processing machin
15、ery, or in fuel or lubrication systems, or when used at temperatures over 450F (233C) Notes: 1. Unless otherwise specified, all dimensions in inches. 2. In the event of a conflict between the text of this standard and the references cited herein, the text of this standard shall take precedence. 3. R
16、ecommended design limitations and usage: (a) Intended use To provide unusually large shoulders for positioning and maintaining machine components on shafts. They are applied radially and withstand strong push-out forces resulting from heavy vibrations and shock loads, high rotational speeds or relat
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