1、AMSC N/A FSC 1640 INCH-POUND MS20668H 19 September 2011 SUPERSEDING MS20668G 5 November 2001 DETAIL SPECIFICATION SHEET TERMINAL, WIRE ROPE, SWAGING, EYE END This specification sheet is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the
2、product described herein shall consist of this specification sheet, MIL-DTL-781, and QPL-781. NOTES: (a) Reference dimensions are for design purposes only and are not an inspection requirement. (b) Swaged terminals shall conform to As for length X. FIGURE 1. Terminal, wire rope, swaging, eye end.Pro
3、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20668H 2 TABLE I. Dash numbers and dimensions. Dash number Wire rope diameter Minimum breaking strength lb 1/ A As B radius C .020 Nominal reference Minimum -2 1/16 0.062 480 0.160 +0.000 -0.005 0.138 +0
4、000 -0.005 0.062 0.523 -3 3/32 0.093 920 0.218 0.190 0.078 0.707 -4 1/8 0.125 2,000 0.250 0.219 0.125 0.738 -5 5/32 0.156 2,800 0.297 0.250 0.140 0.831 -6 3/16 0.187 4,200 0.359 0.313 0.171 0.903 -7 7/32 0.218 5,600 0.427 0.375 +0.000 -0.007 0.187 1.007 -8 1/4 0.250 7,000 0.494 0.438 0.203 1.133 -9
5、 9/32 0.281 8,000 0.563 0.500 +0.000 -0.008 1.257 -10 5/16 0.312 9,800 0.635 0.563 0.218 1.373 -12 3/8 0.375 14,400 0.703 +0.000 -0.005 0.625 0.255 1.688 -14 7/16 0.437 17,600 0.781 0.688 0.275 1.968 -16 1/2 0.500 22,800 0.844 0.750 +0.000 -0.009 0.295 2.115 -18 9/16 0.562 28,500 0.984 0.875 0.310 2
6、625 -20 5/8 0.625 35,000 1.109 1.000 +0.000 -0.010 0.321 3.062 -24 3/4 0.750 49,600 1.359 1.250 +0.000 -0.012 0.345 3.093 -28 7/8 0.875 66,500 1.593 +0.000 -0.010 1.437 0.360 3.515 -32 1 1.000 85,400 1.812 1.625 0.375 3.937 1/ To achieve the minimum breaking strength, for the terminal test only, a
7、galvanized carbon steel wire rope shall be used. TABLE I. Dash numbers and dimensions - Continued. Dash number D J L +0.020 -0.000 Ls reference M -2 0.190 +0.002 -0.000 0.088 +0.000 -0.005 1.631 1.809 0.090 +0.010 -0.000 -3 0.103 2.043 2.160 0.119 -4 0.190 2.337 2.593 0.154 -5 0.250 0.197 2.684 3.02
8、9 0.188 -6 0.313 0.255 3.019 3.187 0.223 -7 0.291 3.382 3.678 0.257 -8 0.375 0.307 3.763 4.062 0.291 -9 0.438 0.322 4.153 4.512 0.326 -10 0.343 4.546 4.969 0.360 -12 0.500 +0.005 -0.000 0.375 +0.000 -0.015 5.562 5.968 0.430 +0.012 -0.000 -14 0.562 6.398 6.867 0.514 -16 0.625 0.468 7.323 7.886 0.584
9、18 0.750 0.562 8.185 8.778 0.653 -20 0.875 0.657 9.167 9.854 0.722 -24 10.328 10.900 0.860 +0.015 -0.000 -28 1.000 0.750 11.530 12.290 1.013 -32 1.125 0.844 13.156 14.062 1.151 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20668H 3 TABLE I. Dash
10、 numbers and dimensions - Continued. Dash number N P R radius reference T -2 0.078 +0.005 -0.000 1.042 +0.031 -0.000 0.088 0.136 +0.000 -0.005 -3 0.109 1.261 0.103 0.190 -4 0.141 1.511 0.190 0.219 -5 0.172 1.761 0.197 0.250 -6 0.203 2.011 0.255 0.313 -7 0.234 2.261 0.291 0.375 +0.000 -0.007 -8 0.265
11、 2.511 0.307 0.438 -9 0.297 2.761 0.322 0.500 +0.000 -0.008 -10 0.328 3.011 0.343 0.563 -12 0.404 +0.008 -0.000 3.511 +0.047 -0.000 0.375 0.625 -14 0.468 4.011 0.688 -16 0.531 +0.009 -0.000 4.698 0.468 0.750 +0.000 -0.009 -18 0.594 5.011 0.562 0.875 -20 0.656 +0.010 -0.000 5.511 +0.062 -0.000 0.657
12、1.000 +0.000 -0.010 -24 0.781 +0.012 -0.000 6.511 1.250 +0.000 -0.012 -28 0.921 7.166 0.750 1.437 -32 1.046 8.229 0.844 1.625 TABLE I. Dash numbers and dimensions - Continued. Dash number U +0.025 -0.010 W X Y Z BB (FIM) Reference Minimum -2 0.359 0.031 0.70 0.072 0.662 0.016 -3 0.438 0.80 0.092 0.8
13、56 -4 0.500 1.05 0.103 0.900 -5 0.640 1.29 0.131 0.997 -6 0.781 0.047 1.31 0.155 1.082 -7 0.813 1.55 0.187 1.195 -8 0.968 1.70 0.221 1.326 -9 1.109 0.063 1.89 0.251 1.465 -10 1.218 2.06 0.281 1.609 -12 1.500 3.12 0.320 2.124 0.020 -14 1.750 3.57 0.350 2.460 -16 1.875 4.31 0.406 2.698 -18 2.340 4.51
14、0.450 3.247 -20 2.730 5.04 0.515 3.729 0.030 -24 2.750 0.093 5.80 0.600 3.890 -28 3.125 6.31 0.675 4.437 0.040 -32 3.510 7.26 0.775 5.000 REQUIREMENTS: 1. Material: Material shall be in accordance with MIL-DTL-781. 2. Finish: Finish shall be in accordance with MIL-DTL-781. 3. Swage: Swage shall be i
15、n accordance with MIL-DTL-6117. 4. Tolerances: Unless otherwise specified, tolerances: decimals 0.010, angles 3. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS20668H 4 NOTES: 1. The part or identifying number (PIN) consists of the letters MS, the
16、 specification sheet number, and a dash number taken from table I. EXAMPLE: MS 20668 - 5 Dash number Specification sheet number MS prefix 2. Dimensions are in inches. 3. Remove burrs and sharp edges. (See MIL-DTL-781.) 4. Interpret drawing in accordance with ASME Y14.5. 5. In the event of a conflict
17、 between the text of this document and the references cited herein, the text of this document takes precedence. 6. Unless otherwise specified, issues of referenced documents are those in effect at the time of solicitation. 7. Corrosion resistant steel parts can universally replace carbon and alloy s
18、teel parts as shown in table II. Carbon and alloy steel parts are inactive for new design and cannot be substituted for corrosion resistant steel parts. TABLE II. Substitution table. MS part numbers Corrosion resistant steel Carbon steel, cadmium plated MS20668-2 MS20668F2 MS20668-3 MS20668F3 MS2066
19、8-4 MS20668F4 MS20668-5 MS20668F5 MS20668-6 MS20668F6 MS20668-7 MS20668F7 MS20668-8 MS20668F8 MS20668-9 MS20668F9 MS20668-10 MS20668F10 MS20668-12 MS20668F12 MS20668-14 MS20668F14 MS20668-16 MS20668F16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
20、MS20668H 5 TABLE II. Substitution table - Continued. MS part numbers Corrosion resistant steel Carbon steel, cadmium plated MS20668-18 MS20668F18 MS20668-20 MS20668F20 MS20668-24 MS20668F24 MS20668-28 MS20668F28 MS20668-32 MS20668F32 CHANGES FROM PREVIOUS ISSUE: The margins of this specification are
21、 marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document
22、 based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing Activity: Army - CR4 Navy - AS Air Force - 99 DLA - GS DLA - GS5 (Project 1640-2011-009) Review Activity: Air Force - 71 NOTE: The activities listed above were inter
23、ested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST database at https:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
