1、MS16627C 14 March 2012 SUPERSEDING MS16627B 14 May 1990 DETAIL SPECIFICATION SHEET RING, RETAINING, INTERNAL, INVERTED (TAPERED SECTION TYPE) This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described here
2、in shall consist of this specification sheet and procurement specification MIL-R-21248. FIGURE 1. RING, RETAINING. INCH-POUND AMSC N/A FSC 5325 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I DIMENSIONS. H HOUSING (REF) D FREE E LARGE SECTION
3、 HEIGHT J SMALL SECTION HEIGHT T 1/ THICKNESS G W WIDTH K 3/ C 4/ R 5/ CH 5/ RECOMMENDED GROOVE (REF) OF RETAINED PART (REF) INCH MM BASIC TOL. BASIC TOL. BASIC TOL. BASIC TOL. BASIC TOL. BASIC TOL. MIN. MAX. MAX. .02 4 .750 19.0 .808 .085 .004 .042 .004 .035 .796 FIM 2/ .040 .165 .560 .050 .031 .81
4、2 20.6 .877 +.010 .092 .044 .042 .862 .047 +.003 .180 .620 .054 .034 .875 22.2 .944 -.005 .099 .047 .042 .931 .003 .047 -.000 .190 .650 .057 .036 .938 23.8 1.015 .106 .005 .051 .005 .042 1.000 .004 .047 .220 .700 .060 .038 1.000 25.4 1.081 .113 .054 .042 1.066 FIM 2/ .047 .235 .750 .064 .040 1.062 2
5、7.0 1.150 .120 .057 .050 1.130 .056 .220 .800 .069 .041 1.125 28.6 1.217 .123 .059 .050 1.197 .056 .245 .860 .070 .044 1.188 30.2 1.283 +.015 .126 .006 .060 .006 .050 .002 1.262 .004 .056 .260 .910 .071 .045 1.250 31.7 1.351 -.010 .129 .061 .050 1,330 .005 .056 .280 .970 .071 .045 1.312 33.3 1.418 .
6、132 .063 .050 1.396 FIM 2/ .056 .290 1.020 .072 .045 1.375 34.9 1.486 .135 .065 .050 1.461 .056 .330 1.080 .074 .046 1.438 36.5 1.552 .144 .069 .050 1.528 .056 +.004 .350 1.130 .079 .050 1.500 38.1 1.622 .148 .070 .050 1.594 .056 -.000 .330 1.180 .081 .051 1.562 39.7 1.688 .158 .074 .062 1.658 .068
7、.360 1.210 .088 .055 1.625 41.3 1.756 .162 .077 .062 1.725 .068 .385 1.270 .090 .056 1.688 42.9 1.823 .166 .079 .062 1.792 .005 .068 .405 1.320 .091 .057 1.750 44.4 1.891 +.020 .170 .082 .062 1.858 .005 .068 .420 1.380 .093 .058 1.875 47.6 2.025 -.013 .188 .007 .090 .007 .062 .003 1.989 FIM 2/ .068
8、.440 1.470 .105 .066 2.000 50.8 2.160 .208 .100 .062 2.122 .068 .480 1.550 .118 .074 2.062 52.4 2.224 +.025 .218 .106 .078 2.186 .006 .086 +.005 .485 1.590 .125 .078 -.015 .006 -.000 FIM2/ MS16627C2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABL
9、E I. DIMENSIONS - Continued H HOUSING (REF) D FREE E LARGE SECTION HEIGHT J SMALL SECTION HEIGHT T 1/ THICKNESS G W WIDTH K 3/ C 4/ R 5/ CH 5/ RECOMMENDED GROOVE (REF) OF RETAINED PART (REF) INCH MM BASIC TOL. BASIC TOL. BASIC TOL. BASIC TOL. BASIC TOL. BASIC TOL. MIN. MAX. MAX. 2.125 54.0 2.295 .22
10、3 .108 .078 2.251 .086 .490 1.650 .128 .080 2.375 60.3 2.567 +.025 .243 .115 .078 2.517 .086 .550 1.860 .138 .086 2.438 61.9 2.634 -.015 .248 .117 .078 2.584 .086 .570 1.910 .141 .088 2.500 63.5 2.700 .254 .120 .078 2.648 .086 .590 1.960 .144 .090 2.625 66.7 2.840 .266 .128 .093 2.781 .103 .600 2.06
11、0 .150 .094 2.750 69.8 2.975 .278 .134 .093 2.914 .103 .630 2.160 .157 .098 2.812 71.4 3.063 +.030 .286 .007 .139 .007 .093 .003 2.980 .103 .610 2.210 .162 .102 2.835 72.0 3.063 -.020 .286 .139 .093 3.006 .006 .103 +.005 .670 2.230 .162 .102 3.000 76.2 3.245 .302 .143 .093 3.182 .006 .103 -.000 .705
12、 2.360 .169 .106 3.156 80.2 3.408 .314 .149 .109 3.348 FIM 2/ .120 .760 2.500 .174 .109 3.346 85.0 3.611 .321 .155 .109 3.546 .120 .810 2.670 .177 .111 3.500 88.9 3.780 .324 .008 .154 .008 .109 3.710 .120 .840 2.820 .175 .110 3.562 90.5 3.850 .326 .155 .109 3.776 .120 .860 2.880 .175 .110 4.000 100.
13、6 4.350 .338 .161 .109 4.240 .120 .930 3.290 .175 .110 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 DEVIATIO
14、N OF CONCENTRICITY BETWEEN THE GROOVE AND THE HOUSING. 3/ K - MINIMUM DIMENSION WHEN THE RING IS PROPERLY SEATED IN THE GROOVE. (DESIGN REFERENCE DIMENSION). 4/ C - ACTUAL CLEARANCE DIAMETER WHEN THE RING IS SPRUNG INTO THE HOUSING, PRIOR TO INSTALLATION INTO THE GROOVE. (DESIGN REFERENCE DIMENSION)
15、. 5/ R AND CH - RADII OR CHAMFERS ALLOWABLE ON PARTS TO BE RETAINED BY THE RING. THRUST LOADS OF RINGS, RETAINING PARTS WITH CORNER RADII OR CHAMFERS ARE TABULATED ON PAGE 7.MS16627C3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-REQUIREMENTS: 1. CL
16、ASSIFICATION: RETAINING RINGS FURNISHED UNDER THIS STANDARD SHALL BE TYPE 1, CLASS 3 OF THE PROCUREMENT SPECIFICATION. 2. MATERIAL: CARBON SPRING STEEL,GRADE 1060 THRU 1095 (UNS G10600 THRU G10950) IN ACCORDANCE WITH ASTM A568/A568M OR ASTM A684/A684M. CORROSION RESISTANT STEEL IN ACCORDANCE WITH AM
17、S 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. HOUSING (REF) CARBON STEEL CORROSION RESISTANT STEEL BERYLLIUM COPPER .750 85.5 -88 HR15N (50-55 HRC EQUIV) 1/ 82.5-86 HR15N (44-51 HRC
18、EQUIV) 1/ 79-82 HR15N (37-43 HRC EQUIV) 1/ .812 & .875 66.5 -71 HR30N (48-53 HRC EQUIV) 1/ 63-69.5 HR30N (44-51 HRC EQUIV) 1/ 56.5 -62 HR30N (37-43 HRC EQUIV) 1/ 938 TO 1.500 INCL 52.5 -58.5 HR45N (48-53 HRC EQUIV) 1/ 48-56 HR45N (41-51 HRC EQUIV) 1/ 39.5-47 HR45N (37-43 HRC EQUIV) 1/ 1.562 TO 2.000
19、 INCL 46-51 HRC 44-51 HRC 37-43 HRC 2.062 TO 3.000 INCL 46-51 HRC 44-51 HRC 3.156 TO 4.000 INCL 44-49 HRC 44-51 HRC 1/ USE HIGHEST SCALE TO PROVIDE SECTION WIDTH EQUAL TO OR GREATER THAN 5 TIMES THE BRAILE IMPRESSION DIAMETER. 4. PROTECTIVE FINISH OR TREATMENT: a. CARBON STEEL SHALL BE AS SPECIFIED
20、(SEE TABLE III OR IV): 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/Zn 5 OR ASTM B695, TYPE II, CLASS 5. 3. PHOSPHATE COAT IN ACCORDANCE WITH MIL-DTL-16232, TYPE Z, CLASS II. b. COR
21、ROSION RESISTANT STEEL SHALL BE CLEANED, DESCALED AND PASSIVATED IN ACCORDANCE WITH SAE AMS2700. 5. PART NUMBER: THE BASIC MS PART NUMBER IS FOLLOWED BY A DASH NUMBER TAKEN FROM TABLE III OR IV. EXAMPLE: MS16627-1100 IS THE PART NUMBER FOR A CARBON STEEL, CADMIUM PLATED, INTERNAL, INVERTED RETAINING
22、 RING FOR USE IN A 1.000 HOUSING DIAMETER. MS16627C4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE III. DASH NUMBERS FOR MS16627. H HOUSING (REF) 1/ CARBON STEEL CADMIUM PLATE 1/ CARBON STEEL ZINC COAT 1/ CARBON STEEL PHOSPHATE COAT STEEL COR
23、ROSION RESISTANT 1/ BERYLLIUM COPPER DASH NO. DASH NO. DASH NO. DASH NO. DASH NO .750 -1075 -2075 -3075 -4075 -5075 .812 -1081 -2081 -3081 -4081 -5081 .875 -1087 -2087 -3087 -4087 -5087 .938 -1093 -2093 -3093 -4093 -5093 1.000 -1100 -2100 -3100 -4100 -5100 1.062 -1106 -2106 -3106 -4106 -5106 1.125 -
24、1112 -2112 -3112 -4112 -5112 1.188 -1118 -2118 -3118 -4118 -5118 1.250 -1125 -2125 -3125 -4125 -5125 1.312 -1131 -2131 -3131 -4131 -5131 1.375 -1137 -2137 -3137 -4137 -5137 1.438 -1143 -2143 -3143 -4143 -5143 1.500 -1150 -2150 -3150 -4150 -5150 1.562 -1156 -2156 -3156 -4156 -5156 1.625 -1162 -2162 -
25、3162 -4162 -5162 1.688 -1168 -2168 -3168 -4168 -5168 1.750 -1175 -2175 -3175 -4175 -5175 1.875 -1187 -2187 -3187 -4187 -5187 2.000 -1200 -2200 -3200 -4200 -5200 2.062 -1206 -2206 -3206 -4206 2.125 -1212 -2212 -3212 -4212 2.375 -1237 -2237 -3237 -4237 2.438 -1243 -2243 -3243 -4243 2.500 -1250 -2250 -
26、3250 -4250 2.625 -1262 -2262 -3262 -4262 2.750 -1275 -2275 -3275 -4275 2.812 -1283 2/ -2283 2/ -3283 2/ -4283 2/ 2.835 -1283 2/ -2283 2/ -3283 2/ -4283 2/ 3.000 -1300 -2300 -3300 -4300 3.156 -1315 -2315 -3315 -4315 3.346 -1334 -2334 -3334 -4334 3.500 -1350 -2350 -3350 -4350 3.562 -1356 -2356 -3356 -
27、4356 4.000 -1400 -2400 -3400 -4400 1/ SUBSTITUTE CORROSION RESISTANT STEEL WHEN USED IN FOOD PROCESSING MACHINERY, OR IN FUEL OR LUBRICATION SYSTEMS, OR WHEN USED AT TEMPERATURES OVER 450F (233C). 2/ SAME DASH NUMBERS SUITABLE FOR EITHER HOUSING DIAMTER (INCH OR MM).5 MS16627C Provided by IHSNot for
28、 ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE IV. SUBSTITUTION TABLE (CROSS REFERENCE OF PART NUMBERS). INACTIVE SUBSTITUTE SUBSTITUTE SUBSTITUTE H HOUSING (REF) CARBON STEEL 1/ CARBON STEEL CADMIUM PLATE 1/ CARBON STEEL ZINC COAT 1/ CARBON STEEL PHOSPHATE COAT MS
29、16627 MS16627 MS16627 MS16627 .750 -75 -1075 -2075 -3075 .812 -81 -1081 -2081 -3081 .875 -87 -1087 -2087 -3087 .938 -93 -1093 -2093 -3093 1.000 -100 -1100 -2100 -3100 1.062 -106 -1106 -2106 -3106 1.125 -112 -1112 -2112 -3112 1.188 -118 -1118 -2118 -3118 1.250 -125 -1125 -2125 -3125 1.312 -131 -1131
30、-2131 -3131 1.375 -137 -1137 -2137 -3137 1.438 -143 -1143 -2143 -3143 1.500 -150 -1150 -2150 -3150 1.562 -156 -1156 -2156 -3156 1.625 -162 -1162 -2162 -3162 1.688 -168 -1168 -2168 -3168 1.750 -175 -1175 -2175 -3175 1.875 -187 -1187 -2187 -3187 2.000 -200 -1200 -2200 -3200 2.062 -206 -1206 -2206 -320
31、6 2.125 -212 -1212 -2212 -3212 2.375 -237 -1237 -2237 -3237 2.438 -243 -1243 -2243 -3243 2.500 -250 -1250 -2250 -3250 2.625 -262 -1262 -2262 -3262 2.750 -275 -1275 -2275 -3275 2.812 -281 -1283 -2283 -3283 2.835 -283 -1283 -2283 -3283 3.000 -300 -1300 -2300 -3300 3.156 -315 -1315 -2315 -3315 3.346 -3
32、34 -1334 -2334 -3334 3.500 -350 -1350 -2350 -3350 3.562 -356 -1356 -2356 -3356 1/ SUBSTITUTE CORROSION RESISTANT STEEL WHEN USED IN FOOD PROCESSING MACHINERY, OR IN FUEL OR LUBRICATION SYSTEMS, OR WHEN USED AT TEMPERATURES OVER 450F (233C). 6 MS16627C Provided by IHSNot for ResaleNo reproduction or
33、networking permitted without license from IHS-,-,-NOTES: 1. DIMENSIONS IN INCHES, UNLESS OTHERWISE SPECIFIED. 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. RECOMMENDED DESIGN LIMITATIONS AND USAGE:
34、 (a) INTENDED USE- TO PROVIDE UNIFORM PROTRUDING SHOULDERS FOR POSITIONING AND RETAINING MACHINE COMPONENTS IN HOUSINGS (BORES). TAPERED DESIGN PRINCIPLE PERMITS RINGS TO MAINTAIN PRACTICTICALLY CONSTANT CIRCULARITY, AND FIT SECURELY AGAINST BOTTOM OF GROOVE. ESPECIALLY SUITED FOR LOCATING AND RETAI
35、NING MACHINE PARTS HAVING CURVED ABUTTING SURFACES. THE USE OF THE FOLLOWING FORMULAS ARE BASED ON THE FACT THAT THE RING MATERIAL WILL NOT FAIL IN COMPRESSION. LIMITATION ON USE THE FOLLOWING FORMULAS ARE NOT TO BE USED FOR BRITTLE MATERIALS SUCH AS CAST IRON, ETC. WARNING: RINGS SHOULD NOT BE EXCE
36、SSIVELY CONTRACTED DURING INSTALLATION SINCE THIS WILL LEAD TO RING FAILURE. IF RING HAS PLAY BETWEEN THE GROOVE DIAMETER AND THE OUTSIDE RING DIAMETER THIS INDICATES THAT THE RING HAS BEEN EXCESSIVELY CONTRACTED, (PROVIDING THE GROOVE DIAMETER HAS BEEN MACHINED TO RECOMMENDED DIMENSIONS). (b) ALLOW
37、ABLE THRUST LOAD CAPACITY OF THE RINGS. (ABUTTING COMPONENTS TO HAVE SHARP CORNERS). P = ALLOWABLE THRUST LOAD (POUNDS) H = HOUSING DIAMETER (INCHES) P = 2 HTX T = RING, THICKNESS (INCHES) 3 F WHERE: X = ULTIMATE SHEAR STRENGTH OF THE RING MATERIAL (PSI) 1/ F = FACTOR OF SAFETY A FACTOR OF SAFETY, F
38、=4, IS RECOMMENDED, SINCE THE RING UNDER LOAD IS SUBJECTED NOT ONLY TO PURE SHEAR STRESSES BUT ALSO TO BENDING STRESSES (c) ALLOWABLE LOAD CAPACITY OF GROOVE WALL = P = ALLOWABLE COMPRESSION LOAD (POUNDS) H = HOUSING DIAMETER (INCHES) P = 1 HdY. d = GROOVE DEPTH (INCHES) 2 F WHERE: Y = YIELD STRENGT
39、H IN COMPRESSION OF THE GROOVE MATERIAL (PSI) F = FACTOR OF SAFETY TO INSURE A SAFE WORKING LOAD A SAFETY FACTOR, F = 2, IS RECOMMENDED (d) MINIMUM DISTANCE BETWEEN OUTER GROOVE WALL AND END OF HOUSING = Z = MINIMUM DISTANCE BETWEEN OUTER GROOVE WALL Z = 3d AND END OF HOUSING (INCHES) WHERE: d = GRO
40、OVE DEPTH (INCHES) (e) DIFFERENTIAL ROTATION= THE CONDITIONS UNDER WHICH A RETAINING RING MAY BE USED WHEN ADJACENT PARTS ROTATE RELATIVE TO IT, FALL INTO TWO CATEGORIES: (1) WHERE NO THRUST IS EXERTED BY ADJACENT PART: IN THIS CASE, DIFFERENTIAL ROTATION OF RING AND ADJACENT PART CREATES NO ELEMENT
41、 OF RISK IN THE APPLICATION OF THE RINGS BECAUSE NO FRICTIONAL TORQUE IS EXERTED BY THE MACHINE PART ON THE RING. (2) CONSIDERATION MUST BE GIVEN TO THE MAGNITUDE OF THE THRUST INVOLVED. THE FRICTION MOMENT MAY NOT EXCEED THE BENDING MOMENT, WHICH THE RING CAN TOLERATE WITHOUT RELEASING ITS PRESSURE
42、 AGAINST THE BOTTOM OF THE GROOVE, FORMULATED AS FOLLOWS: 7 MS16627C Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-fPN sTE218 OR P = ALLOWABLE THRUST LOAD EXERTED BY ADJACENT PART (POUNDS) f = COEFFICIENT OF FRICTION WHERE: s = WORKING STRESS OF RI
43、NG UNDER MAXIMUM CONTRACTION (PSI) 2/ T = RING THICKNESS (INCHES) P sTE2E = GREATEST WIDTH SECTION OF RING (INCHES) f18N N = NEUTRAL RING DIAMETER (INCHES) = FREE DIAMETER MINUS 3/4 E DIMENSION IN SUCH CASES WHERE DIFFERENTIAL ROTATION OCCURS, THE CALCULATION SHOULD BE BASED ON THE MAXIMUM POSSIBLE
44、VALUE OF THE COEFFICIENT OF FRICTION. 1/ X = 150,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS OF CARBON STEEL OR CORROSION RESISTANT STEEL. X = 110,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS OF BERYLLIUM COPPER. 2/ S = 250,000 PSI WORKING STRESS FOR RINGS OF CARBON STEEL OR CORROSION RESISTANT STEEL. S
45、= 180,000 PSI WORKING STRESS FOR RINGS OF BERYLLIUM COPPER. (f) IMPACT CAPACITY OF RING OR GROOVE WALL= IR = FOR THE RING (INCH POUNDS) ABUTTING COMPONENTS TO HAVE SHARP CORNERS IG = FOR THE GROOVE (INCH POUNDS). P = ALLOWABLE THRUST LOAD OF RING OR GROOVE (POUNDS) T = RING THICKNESS (INCHES) WHERE:
46、 IG = IMPACT CAPACITY OF GROOVE WALL (INCH POUNDS) d = GROOVE DEPTH (INCHES) IR = IMPACT CAPACITY OF RING (INCH POUNDS) (g) LOAD CAPACITY, WITH THE RETAINED PART RADIUSED OR CHAMFERED = WHEN THE RADIUS OR CHAMFER OF THE RETAINED PART DOES NOT EXCEED THE MAXIMUM RADIUS ALLOWED FOR THE BOTIOM OF THE R
47、ING GROOVE, THE LESSER LOAD CAPACITY COMPUTED FROM THE FORMULAS ON PAGE 7 WILL APPLY. THE CORNER RADII AND CHAMFERS LISTED ON TABLE I WERE CHOSEN AS LARGE AS POSSIBLE FOR THE RING SIZES INVOLVED AND ARE RELATED TO THE MAXIMUM THRUST LOADS LISTED IN TABLE V. IF THE CORNER RADII OR CHAMFERS ARE SMALLE
48、R THAN THOSE LISTED, THEN THE THRUST LOADS INCREASE PROPORTIONALLY, IN ACCORDANCE WITH THE FOLLOWING FORMULAS: P1= PCH OR P1= NEW ALLOWABLE THRUST LOAD CH1P = LISTED ALLOWABLE THRUST LOAD WHERE: CH1= NEW (SMALLER) CHAMFER CH = LISTED CHAMFER P1= PR R1= NEW (SMALLER) CORNER RADIUS R1R = LISTED CORNER RADIUS LIMIT LOADS LISTED IN TABLE V ARE BASED ON RINGS OF STEEL (WORKING STRESS = 250,000 PSI) AND OF BERYLLIUM COPPER (WORKING STRESS = 180,000 PSI). IF THE ALLOWABLE GROOVE CAPACITY LOADS, AS CALCULATED BY USING THE FORMULA ON PAGE 7 ARE LESS THEN THEY
