PRECISION MIL Style RV4
Precision series K/RV4 potentiometers are suitable for
both military and commercial applications. They can
easily be customized to meet special requirements.
FEATURES: OPTIONS:
• hot molded carbon element • custom shafts and bushings
• gold-plated terminals • special tapers
• stainless-steel shaft and housing • fourth (center) terminal
• quality meeting or exceeding MIL-R-94 - QPL listed • high life
• attached switch
ELECTRICAL SPECIFICATIONS: MECHANICAL SPECIFICATIONS:
Resistance range, linear taper: 50 Ω to 5 Meg ΩMechanical rotation: 314°
Resistance range, logarithmic taper: 150 Ω to 1 Meg ΩOperating torque: 1 oz/in to 6 oz/in
Resistance tolerance: ±10% or ±20% Rotational life: 25,000 cycles
Resistance taper: linear, logarithmic, reverse logarithmic;
other tapers by special order
Power rating: 2 watts at 70°C derated to 0 watts at 120°C
Insulation resistance:
dry: 10K Meg Ω
wet: 100K Meg Ω
Dielectric strength: 900 V RMS at sea level
Operating voltage: 500 V, subject to power rating
ENVIRONMENTAL SPECIFICATIONS:
Operating temperature: − 65°C to +125°C
Resistance to soldering heat: 350°C for 5 seconds
Humidity range: per MIL-R-94
V
ibration range: per MIL-R-94
Shock resistance: per MIL-R-94
Load life: 1000 hours at 70°C
Precision Series K - 2 Watt 1/4" shaft diameter
PRECISION MIL Style RV4
DRAWING:
PRECISION MIL Style RV4
ORDERING INFORMATION:
Ordering Information - Commercial Part Numbers
Series Bushing Switch Taper Tolerance Shaft Style
Shaft
Length
K = series K Blank =
standard
Blank =
without
switch
U = linear 1 = 10% of
nominal
R = round S
= slotted F =
flatted
16 = 1/2" 20
= 5/8" 24 =
3/4"
L = locking S = SPST
switch
A =
logarithmic
2 = 20% of
nominal
28 = 7/8" 32
= 1"
W = panel &
shaft steel
B = reverse
logarithmic
40 = 1 1/4"
48 = 1 1/2"
64 = 2"
80 = 2 1/2"
96 = 3"
Example: KSU1031R16
note: not all part number combinations are valid
Ordering Information - Military Part Numbers
Style Bushing Switch Shaft Style
Shaft
Length Taper & Tolerance
RV4 = MIL style RV4 N = standard A = without S = slotted B = 1/2" A = linear 10%
L = locking switch F = flatted A = 5/8" B = linear 20%
S = panel & B = SPST D = 7/8" C = logarithmic 10%
shaft steel switch G = 1 1/4" D = logarithmic 20%
J = 2" E = reverse logarithmic
K = 2 1/2" 10%
F = reverse logarithmic
20%
Example: RV4NAYSB000
A
note: not all part number combinations are valid
Type K Cross Reference
Precision Ohmite
KU S28 CMU
KLU S20 CLU
KU S16 N/A
KU S64 CU
KU R64 N/A
KU S80 N/A
KA R64 N/A
KLU S28 N/A
JA1N200P UA
JA1N232S UA
JA1N200P AA
JA1N056S UA
JA1L040S UC
JA1N032S UA
JA1N200S UA
380C1 / 53C1
N/A
53C1Z
N/A
N/A
RV4NAYSK A
N/A
RV4LAYSD A
RV4NAYSD A
RV4LAYSA A
RV4NAYSB A
RV4NAYSJ A
number of zeroes
Clarostat Allen BradleyMilitary
Resistance Value
Total resistance value
in Ω: first 2 digits
significant, third digit =
JA1L056S UA
Temperature & Moisture
Characteristics
Y = as per MIL-R-94
Resistance Value
Total resistance value in
Ω: first 2 digits significant,
third digit =
number of zeroes
380C3 / 53C3
280C2 / 53C2
N/A
N/A
