INCH-POUND
MIL-PRF-12934/35C
25 August 2009
SUPERSEDING
MIL-PRF-12934/35B
1 February 1999
PERFORMANCE SPECIFICATION
RESISTORS, VARIABLE, WIREWOUND, PRECISION,
STYLE 2RR2104
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall
consist of this specification sheet and MIL-PRF-12934.
1. SCOPE
1.1 Scope. This specification covers the requirements for style 2RR2104, variable, wirewound, precision resistors.
1.2 Part or Identifying number (PIN). Variable resistors covered by this specification must be identified by a PIN
which must be in the following form.
Single-section (cup) resistors
2RR2104
F
2
A
8
L
203
Style
Function
Class and
Resistance
Rotational life
Function
Resistance
(1.2.1)
and shaft
center tap
temperature
(1.2.7)
characteristic
conformity
length
(1.2.3)
characteristic
(1.2.5)
tolerance and
(1.2.2)
(1.2.4)
resistance
tolerance
characteristic
(1.2.6)
1.2.1 Style. Style 2RR2104 is a similar style to RR2100.
1.2.2 Function and shaft length. The function and shaft length applicable to this specification is identified by a
single symbol F (see figure 1).
1.2.3 Class and center tap. The class and center tap applicable to this specification is symbol 2.
1.2.4 Resistance temperature characteristic. The resistance temperature characteristic applicable to this
specification is symbol A.
1.2.5 Rotational life characteristic. The rotational life characteristics applicable to this specification is symbol 8.
Comments, suggestions, or questions on this document should be addressed to: Defense Supply Center, Columbus,
ATTN: DSCC VAT, Post Office Box 3990, Columbus, Ohio 43218-3990 or by email Resistor@dla.mil. Since contact
information can change, you may want to verify the currency of this address information using the ASSIST Online
database at https://assist.daps.dla.mil/.
AMSC N/A
FSC 5905
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