scope:

This specification covers single-section, precision, variable, wire-wound resistors, capable of producing an output voltage (in terms of percent of applied voltage) proportional to angle of shaft rotation. The resistors can be tapped by press fitting a particular pressure-type tap to a tap ring within the resistor. The resistors can be ganged by means of available mounting hardware consisting of a clamping ring and drive arm as shown on figure 1 (see 3.4). The resistors are for use in training equipment only.

Resistor type designations shall be in the following form, as specified (see 6.2):

Type designation form - single-section resistors Style Terminal board Resistance RRL16 A 103

The style is identified by the three-letter symbol "RRL" followed by a two-digit number; the letters identify tappable, precision, linear, variable resistors, and the number identifies the physical size incrementally in ⅛ inch increments.

Terminal boards shall be of two types, the letter A designating a 110-degree arc board, and the letter B designating 180-degree arc board (see 3.4.9).

The nominal total resistance value expressed in ohms is identified by a three-digit number; the first two digits represent significant figures and the last digit specifies the number of zeros to follow.

intended Use: