1、ASMC N/A FSC 1640 INCH-POUND MS21259K 19 September 2011 SUPERSEDING MS21259J 5 November 2001 DETAIL SPECIFICATION SHEET TERMINAL, WIRE ROPE, SWAGING, STUD, LONG THREAD This specification sheet is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acqu
2、iring the product described herein shall consist of this specification sheet, MIL-DTL-781, and QPL-781. NOTE: (a) Undercut (C) is optional for rolled threads only. The .031 .020 shall be required in any case. FIGURE 1. Terminal, wire rope, swaging, stud, long thread.C (a) Provided by IHSNot for Resa
3、leNo reproduction or networking permitted without license from IHS-,-,-MS21259K 2 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 2. Terminal, wire rope, swaging, stud, long thread after
4、 swaging. TABLE I. Dash numbers and dimensions. Dash number Wire rope diameter Minimum breaking strength lbs. 1/ Thread B UN-3A UNF-3A A As RH thread LH thread Nominal Minimum -2RH -2LH 1/16 0.062 480 0.1380 (# 6)-40 0.160 +0.000 -0.005 0.138 +0.000 -0.005 -3RH -3LH 3/32 0.093 920 0.1900 (#10)-32 0.
5、218 0.190 -4RH -4LH 1/8 0.125 2,000 0.2500 (1/4)-28 0.250 0.219 -5RH -5LH 5/32 0.156 2,800 0.297 0.250 -6RH -6LH 3/16 0.187 4,200 0.3125 (5/16)-24 0.359 0.313 -7RH -7LH 7/32 0.218 5,600 0.3750 (3/8)-24 0.427 0.375 +0.000 -0.007 -8RH -8LH 1/4 0.250 7,000 0.494 0.438 -9RH -9LH 9/32 0.281 8,000 0.4375
6、(7/16)-20 0.563 0.500 +0.000 -0.008 -10RH -10LH 5/16 0.312 9,800 0.5000 (1/2)-20 0.635 0.563 -12RH -12LH 3/8 0.375 14,400 0.5625 (9/16)-18 0.703 0.625 -14RH -14LH 7/16 0.437 17,600 0.6250 (5/8)-18 0.781 0.688 -16RH -16LH 1/2 0.500 22,800 0.844 0.750 +0.000 -0.009 -18RH -18LH 9/16 0.562 28,500 0.7500
7、 (3/4)-16 0.984 0.875 -20RH -20LH 5/8 0.625 35,000 0.8750 (7/8)-14 1.109 1.000 +0.000 -0.010 -24RH -24LH 3/4 0.750 49,600 1.0000 (1)-12 1.359 1.250 +0.000 -0.012 -28RH -28LH 7/8 0.875 66,500 1.1250 (1 1/8)-12 1.593 +0.000 -0.010 1.437 -32RH -32LH 1 1.000 85,400 1.2500 (1 1/4)-12 1.812 1.625 1/ To ac
8、hieve the minimum breaking strength, for the terminal test only, a galvanized carbon steel wire rope shall be used. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21259K 3 TABLE I. Dash numbers and dimensions - Continued. Dash number B10.063 C D E
9、 RH thread LH thread -2RH -2LH 1.042 0.121 +0.017 -0.005 0.188 0.156 -3RH -3LH 1.261 0.169 +0.021 -0.005 0.250 0.187 -4RH -4LH 1.511 0.226 +0.024 -0.005 0.313 0.250 -5RH -5LH 1.761 -6RH -6LH 2.011 0.285 +0.028 -0.005 0.375 0.312 -7RH -7LH 2.261 0.347 0.438 0.375 -8RH -8LH 2.511 0.500 0.438 -9RH -9LH
10、 2.761 0.405 +0.033 -0.005 0.625 0.563 -10RH -10LH 3.011 0.467 0.688 0.625 -12RH -12LH 3.511 0.529 0.750 0.688 -14RH -14LH 4.011 0.592 0.812 0.750 -16RH -16LH 4.698 0.875 0.812 -18RH -18LH 5.011 0.717 1.000 0.875 -20RH -20LH 5.511 0.842 1.125 1.000 -24RH -24LH 6.511 0.967 1.437 1.125 -28RH -28LH 7.1
11、66 1.092 1.625 1.437 -32RH -32LH 8.229 1.217 1.875 1.625 TABLE I. Dash numbers and dimensions - Continued. Dash number F H L 0.063 Ls reference M N P Maximum Minimum -2 0.188 0.031 0.015 2.473 2.65 0.090 +0.010 -0.000 0.078 +0.005 -0.000 1.042 +0.031 -0.000 -3 0.250 0.047 2.879 3.00 0.119 0.109 1.26
12、1 -4 0.313 3.333 3.59 0.154 0.141 1.511 -5 0.313 3.627 3.97 0.188 0.172 1.761 -6 0.375 4.002 4.17 0.223 0.203 2.011 -7 0.438 4.516 4.81 0.257 0.234 2.261 -8 0.500 4.937 5.24 0.291 0.265 2.511 -9 0.625 5.391 5.75 0.326 0.297 2.761 -10 0.688 0.063 0.031 5.844 6.27 0.360 0.328 3.011 -12 0.750 6.656 7.0
13、6 0.430 +0.012 -0.000 0.404 +0.008 -0.000 3.511 +0.047 -0.000 -14 0.812 7.437 7.91 0.514 0.468 4.011 -16 0.875 8.187 8.75 0.584 0.531 +0.009 -0.000 4.698 -18 1.000 0.078 0.046 9.125 9.72 0.653 0.594 5.011 -20 1.125 10.375 11.06 0.722 0.656 +0.010 -0.000 5.511 +0.062 -0.000 -24 1.438 12.063 12.64 0.8
14、60 +.015 -.000 0.781 +0.012 -0.000 6.511 -28 1.625 0.094 0.062 13.226 13.99 1.013 0.921 7.166 -32 1.812 14.969 15.88 1.151 1.046 8.229 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21259K 4 TABLE I. Dash numbers and dimensions - Continued. Dash n
15、umber S +0.062 -0.000 T U reference V 0.005 W 0.016 X Y +0.083 -0.020 2/ Z BB Minimum Minimum -2 0.969 0.138 +0.000 -0.005 0.094 0.063 1.174 0.70 1.045 0.03 0.008 (0.016 FIM) -3 1.188 0.190 1.411 0.80 1.204 -4 1.438 0.219 1.682 1.05 1.376 -5 1.688 0.250 1.958 1.29 1.376 -6 1.938 0.313 0.125 0.098 2.
16、237 1.31 1.453 -7 2.188 0.375 +0.000 -0.007 2.518 1.55 1.625 -8 2.438 0.438 2.784 1.70 1.750 -9 2.688 0.500 +0.000 -0.008 3.076 1.89 1.875 -10 2.938 0.563 3.326 2.06 2.000 -12 3.438 0.625 3.828 3.12 2.250 -14 3.938 0.688 4.375 3.57 2.500 0.010 (0.020 FIM) -16 4.625 0.750 +0.000 -0.009 0.156 0.125 5.
17、093 4.31 -18 4.938 0.875 5.468 4.51 3.000 -20 5.438 1.000 +0.000 -0.010 6.093 5.04 3.500 0.015 (0.030 FIM) -24 6.438 1.250 +0.000 -0.012 7.188 5.80 4.000 -28 7.094 1.437 7.846 6.31 4.500 0.020 (0.040 FIM) -32 8.156 1.625 9.000 7.26 5.000 2/ Includes last full thread engagement. REQUIREMENTS: 1. Mate
18、rial: Material shall be in accordance with MIL-DTL-781. 2. Finish: Finish shall be in accordance with MIL-DTL-781. 3. Threads: Threads shall be in accordance with FED-STD-H28/20. 4. Swage: Swage shall be in accordance with MIL-DTL-6117. 5. Tolerances: Unless otherwise specified, tolerances: decimals
19、 0.010, angles 3. NOTES: 1. The part or identifying number (PIN) consists of the letters MS, the specification sheet number and a dash number taken from table I. EXAMPLE: MS 21259 - 6RH Dash number (see table I) Specification sheet number MS prefix MS21259-6RH Indicates - Terminal, 0.3125 (5/16)-24
20、right hand thread. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21259K 5 2. Dimensions are in inches. 3. Remove burrs and sharp edges. (See MIL-DTL-781.) 4. Interpret drawing in accordance with ASME Y14.5M. 5. These terminals are not to be used
21、with turnbuckle bodies (barrels). 6. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. 7. Unless otherwise specified, issues of reference documents are those in effect at the time of solicitation. 8. Interchangea
22、bility relationship: MS21259 parts can universally replace the canceled AN666 parts identified by the same dash number; but the canceled AN666 parts cannot replace the superseding MS21259 parts. MS21259 corrosion resistant steel parts can universally replace the canceled carbon and alloy steel parts
23、 identified by the same dash number. 9. Carbon and alloy steel parts are inactive for new design. 10. Marking: Complete MS part number, indented. Use two faces if required. For terminal sizes -2 through -5, use basic part number only, example, MS21259. CHANGES FROM PREVIOUS ISSUE: The margins of thi
24、s specification are 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 requiremen
25、ts of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing Activity: Navy - AS Air Force - 99 DLA - GS5 (Project 1640-2011-010) Review Activities: Navy - MC Air Force - 71 NOTE: The activities listed above
26、 were interested 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-,-,-
