1、INCH-POUND MIL-DTL-21604/1C 27 March 2009 SUPERSEDING MIL-DTL-21604/1B 27 June 2003 DETAIL SPECIFICATION SHEET SWITCH, ROTARY, MULTIPOLE AND SELECTOR, 1 AMPERE, STYLES JF AND JFM This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The complete requi
2、rements for acquiring the switches described herein shall consist of this specification and the latest issue of MIL-DTL-21604. NASM35333-76 NASM35333-110 or EQUIVALENT FIGURE 1. Style JF and JFM switch. AMSC N/A FSC 5930 Provided by IHSNot for ResaleNo reproduction or networking permitted without li
3、cense from IHS-,-,-MIL-DTL-21604/1C 2 Inch mm Inch mm .005 .016 .061 .063 .078 .093 .125 .136 .188 .221 .224 .246 0.13 0.41 1.55 1.60 1.98 2.36 3.18 3.45 4.78 5.61 5.69 6.25 .250 .313 .375 .38 .386 .438 .563 .63 1.00 1.12 1.50 1.56 6.35 7.95 9.53 9.65 9.80 11.12 14.30 16.00 25.40 28.45 38.10 39.64 N
4、OTES: 1. Dimensions are in inches. 2. Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based upon 1 inch = 25.4 mm. 3. Unless otherwise specified, tolerances are .016 (0.41 mm) for two-place decimals and .005 (0.13 mm) for three-place decimals. 4. Type JFM s
5、witches shall be limited to three positions, (0 degrees and 30 degrees) by a stop assembly located in the spring case. Either of the 30 degree positions can be eliminated by adjustment of the female gears in the read stop shown on figure 1. 5. Unless otherwise specified in the acquisition document,
6、type JFM switches shall be furnished with handle NASM91528-1A4B. 6. Brass with nickel finish. 7. MS35333 and MS91528 have been cancelled and replaced by NASM35333 and NASM91528, respectively. The existing military part identification numbers have been retained in the NASM documents. FIGURE 1. Style
7、JF and JFM switch - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-21604/1C 3 NOTE: Viewed from the handle end. FIGURE 2. Rotor contact configuration and handle positions. Provided by IHSNot for ResaleNo reproduction or networking
8、 permitted without license from IHS-,-,-MIL-DTL-21604/1C 4 REQUIREMENTS: Dimensions and configuration: See figure 1, figure 2, and table I. Angle of throw: 30 degrees. Switching action: Detent (style JF), momentary (style JFM). These switches have single break contact action. Electrical loads: AC cu
9、rrent: 1 ampere. Voltage: 125 volts (at 60 Hz, 0.5 power factor inductive). Insulation: Grade 4 of polychlorotrifluoroethylene (Kel-F) of ASTM D1430 or thermosetting plastic (except phenolic) of ASTM D5948. Temperature rise: 15F maximum. Contact material: Solid silver-overlay on copper or copper all
10、oy. Stop torque: 35 inch-pounds. Barriers: See figure 1. Terminal marking: None. Stop marking: See figure 1. Qualification samples: See table II. Operating shaft: Material shall be selected which will enable the switch to meet the performance requirements of this specification. TABLE I. Type designa
11、tion and switching characteristics. Type designation Component Rotor designation 1/ Style Number of sections Dimension “X“ 2/ .062 (1.57) Approximate weight (ounces) Maximum rotational torque (inch-pounds) S S S S S S S S S S 1 1 2 2 2 2 2 2 2 2 JF JF JF JF JF JF JF JFM JFM JFM 4 5 1 2 3 4 5 3 4 5 1
12、.960 (49.78) 2.250 (57.15) 1.090 (27.69) 1.380 (35.05) 1.670 (42.42) 1.960 (49.78) 2.250 (57.15) 1.950 (49.53) 2.240 (56.90) 2.530 (64.26) 4.2 4.4 3.5 3.7 3.9 4.2 4.4 4.4 4.6 4.9 8 8 5 5 5 8 8 5 8 8 1/ For rotor designation, see figure 2. 2/ Dimensions are in inches. Metric equivalents (to the neare
13、st 0.01 mm) are given for general information only and are based upon 1 inch = 25.4 mm. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-21604/1C 5 TABLE II. Qualification test samples. Sample switch Test number 1/, 2/ S1JFM2 S2JF2 S1JF5 S2JF5
14、 S2JF1 S3JFM3 1 2 3 4 5 6 1/ Test numbers in accordance with table II of MIL-DTL-21604. 2/ For group qualification, see 4.5.1. The margins of this specification are marked with vertical lines to indicate where modifications from this amendment were made. This was done as a convenience only and the G
15、overnment assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations. Reference Documents: MIL-DTL-21604 ASTM-D1430 ASTM-D5948 NASM3533
16、3 NASM91528 Custodians: Preparing activity: Navy - SH DLA - CC DLA - CC (Project 5930-2008-044) NOTE: The activities listed above 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 Online database at http:/assist.daps.dla.mil/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
