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MIL-R-12934/6 Revision B, April 13, 1979
Complete Document
Superseded By: MIL-PRF-12934/6
RESISTORS, VARIABLE, WIRE-WOUND, PRECISION, STYLE RR1000
Includes all amendments and changes through Validation Notice 1, October 25, 1991
Additional Comments: CNCL S/S BY MIL-PRF-12934/6
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This specification covers the detail requirements for style RR1000, variable, wire-wound, precision resistors.

The type designation shall be in the following form: CHART

Style RR1000 is applicable to this specification.

The function and shaft length applicable to this specification shall be identified by a single symbol in accordance with table I. TABLE I. Function and shaft length.
Symbol               Shaft length        Function     
                 Tolerance ±1/32 (.79)                  
-----------------------------------------------------

A - - - - -           ⅜ ( 9.53)          Linear       
B - - - - -           ½ (12.70)          Linear       
C - - - - -           ⅝ (15.88)          Linear       
D - - - - -           ¾ (19.05)          Linear       
E - - - - -           ⅞ (22.23)          Linear       
F - - - - -           1   (25.40)          Linear       
                                                          




The class applicable to this specification shall be symbols 2 and 3.

The resistance temperature characteristics applicable to this specification are symbols A to H, inclusive.

The rotational life characteristics applicable to this specification are symbols 7, 8, and 9. This potentiometer is capable of operation up to 100 RPM.

The function conformity tolerance and resistance tolerance characteristics applicable to this specification are symbols G to L, inclusive and S to X, inclusive.

The nominal total resistance values applicable to this specification shall be in accordance with table II. TABLE II. Nominal total resistance and nominal resolution characteristics.
Nominal total        Nominal        
resistance value     resolution     
-------------------------------

   (Ohms)            (Percent)      
                                    
     100                .07            
     200                .06            
     500                .05            
   1,000                .045           
   2,000                .035           
   5,000                .025           
  10,000                .019           
  20,000                .016           
  50,000                .012